Exim Internet Mailer

<-previousnext->

XWARNING: This documentation is for an old version of Exim (latest)

Chapter 63 - Concept Index

Symbols

*@ with single-key lookup

File and database lookups [Default values in single-key lookups], Domain, host, address, and local part lists [Address lists]

+caseful

Domain, host, address, and local part lists [Case of letters in address lists], String expansions [Expansion conditions]

+defer_unknown

Access control lists [Using DNS lists]

+exclude_unknown

Access control lists [Using DNS lists]

+ignore_defer

Domain, host, address, and local part lists [Temporary DNS errors when looking up host information]

+ignore_unknown

Domain, host, address, and local part lists [Behaviour when an IP address or name cannot be found]

+include_defer

Domain, host, address, and local part lists [Temporary DNS errors when looking up host information]

+include_unknown

Domain, host, address, and local part lists [Behaviour when an IP address or name cannot be found], Access control lists [Using DNS lists]

.ifdef

The Exim runtime configuration file [Conditional skips in the configuration file]

.include in configuration file

The Exim runtime configuration file [File inclusions in the configuration file]

.include_if_exists in configuration file

The Exim runtime configuration file [File inclusions in the configuration file]

.so building

Building and installing Exim [Dynamically loaded lookup module support]

/dev/null

The redirect router [Special items in redirection lists]

/etc/aliases

Building and installing Exim [Installing Exim binaries and scripts]

/etc/mail/mailer.conf

Building and installing Exim [Replacing another MTA with Exim]

/etc/passwd

File and database lookups [Query-style lookup types], Generic options for routers

multiple reading of

Main configuration [Alphabetical list of main options]

/etc/userdbshadow.dat

File and database lookups [Single-key lookup types]

4xx responses
count of

String expansions [Expansion variables]

retry rules for

Retry configuration [Choosing which retry rule to use for address errors]

retrying after

The smtp transport [Private options for smtp]

to STARTTLS

The smtp transport [Private options for smtp]

8-bit characters

The Exim command line [Command line options], Main configuration [Alphabetical list of main options], Main configuration [Alphabetical list of main options]

8BITMIME

Main configuration [Alphabetical list of main options], Log files [Reducing or increasing what is logged]

@ in a domain list

The default configuration file [Main configuration settings], Domain, host, address, and local part lists [Domain lists]

@ in a host list

Domain, host, address, and local part lists [Host list patterns that match by IP address]

@@ with single-key lookup

Domain, host, address, and local part lists [Address lists]

@[] in a domain list

Domain, host, address, and local part lists [Domain lists]

@[] in a host list

Domain, host, address, and local part lists [Host list patterns that match by IP address]

@mx_any

Domain, host, address, and local part lists [Domain lists]

@mx_primary

Domain, host, address, and local part lists [Domain lists]

@mx_secondary

Domain, host, address, and local part lists [Domain lists]

A

A+
in dnsdb lookup

File and database lookups [Pseudo dnsdb record types]

ACL
spf condition

DKIM, SPF and DMARC [SPF (Sender Policy Framework)]

spf_guess condition

DKIM, SPF and DMARC [SPF (Sender Policy Framework)]

AUTH
ACL for

Main configuration [Alphabetical list of main options], Access control lists [Specifying when ACLs are used]

advertising

Main configuration [Alphabetical list of main options]

advertising when encrypted

Main configuration [Alphabetical list of main options]

configuration

The Exim runtime configuration file [Configuration file format], The default configuration file [Authenticators configuration]

description of

SMTP authentication

in external authenticator

The external authenticator [Using external in a server]

in plaintext authenticator

The plaintext authenticator [Using plaintext in a server]

logging

Log files [Logging message reception]

on MAIL command

String expansions [Expansion variables], Main configuration [Alphabetical list of main options], SMTP authentication [The AUTH parameter on MAIL commands], SMTP authentication [Authentication by an Exim client]

on bounce message

Main configuration [Alphabetical list of main options]

testing a server

SMTP authentication [Testing server authentication]

with PAM

String expansions [Expansion conditions]

Athena

Incorporated code

abandoning mail

The Exim command line [Command line options], The redirect router [Special items in redirection lists]

accept ACL verb

Access control lists [ACL verbs]

accept router

The accept router

access control lists (ACLs)
PRDR-related

Main configuration [Alphabetical list of main options]

arguments

Access control lists [ACL conditions]

at start of non-SMTP message

Main configuration [Alphabetical list of main options]

case of local part in

Access control lists [Use of the control modifier]

certificate verification

Access control lists [ACL conditions]

conditions; list of

Access control lists [ACL conditions]

conditions; processing

Access control lists [Condition and modifier processing]

customized test

Access control lists [ACL conditions]

cutthrough routing

Access control lists [Use of the control modifier]

data for message ACL

Access control lists [Data for message ACLs]

data for non-message ACL

Access control lists [Data for non-message ACLs]

default configuration

The default configuration file [ACL configuration]

description

Access control lists

enabling debug logging

Access control lists [Use of the control modifier]

finding which to use

Access control lists [Finding an ACL to use]

for non-SMTP messages

Main configuration [Alphabetical list of main options]

format of

Access control lists [Format of an ACL]

indirect

Access control lists [ACL conditions]

introduction

How Exim receives and delivers mail [Policy control]

modifiers; list of

Access control lists [ACL modifiers]

modifiers; processing

Access control lists [Condition and modifier processing]

nested

Access control lists [ACL conditions]

on SMTP connection

Main configuration [Alphabetical list of main options]

options for specifying

Access control lists [Specifying when ACLs are used]

per-user data processing

Main configuration [Alphabetical list of main options]

relay control

Access control lists [Using an ACL to control relaying]

return codes

Access control lists [ACL return codes]

rewriting addresses in

Address rewriting [When does rewriting happen?]

scanning for spam

Access control lists [ACL conditions]

scanning for viruses

Access control lists [ACL conditions]

setting DSCP value

Access control lists [Use of the control modifier]

setting up for SMTP commands

Main configuration [Alphabetical list of main options]

testing a DNS list

Access control lists [ACL conditions], Access control lists [Using DNS lists]

testing a TLS certificate

Access control lists [ACL conditions]

testing a local part

Access control lists [ACL conditions]

testing a recipient

Access control lists [ACL conditions]

testing a recipient domain

Access control lists [ACL conditions]

testing a sender

Access control lists [ACL conditions]

testing a sender domain

Access control lists [ACL conditions]

testing by regex matching

Access control lists [ACL conditions], Access control lists [ACL conditions]

testing for authentication

Access control lists [ACL conditions]

testing for encryption

Access control lists [ACL conditions]

testing the client host

Access control lists [ACL conditions]

testing, customized

Access control lists [ACL conditions]

unset options

Access control lists [Unset ACL options]

variables

Access control lists [ACL variables]

variables, handling unset

Main configuration [Alphabetical list of main options]

verbs, definition of

Access control lists [Format of an ACL]

verifying HELO/EHLO

Access control lists [ACL conditions]

verifying header names only ASCII

Access control lists [ACL conditions]

verifying header syntax

Access control lists [ACL conditions]

verifying host reverse lookup

Access control lists [ACL conditions]

verifying recipient

Access control lists [ACL conditions]

verifying sender

Access control lists [ACL conditions]

verifying sender in the header

Access control lists [ACL conditions]

virus scanning

Access control lists [ACL conditions]

acl
call from expansion

String expansions [Expansion items]

expansion condition

String expansions [Expansion conditions]

acl ACL condition

Access control lists [ACL conditions]

add_header ACL modifier

Access control lists [Adding header lines in ACLs]

adding drivers

Adding new drivers or lookup types

additional groups

Generic options for routers, Generic options for transports

address
constructed

Message processing [Constructed addresses]

copying routing

The dnslookup router [Private options for dnslookup], The manualroute router [Private options for manualroute]

qualification

Main configuration [Alphabetical list of main options], Message processing [Unqualified addresses]

rewriting

see "rewriting"

sender

The Exim command line [Command line options]

source-routed

Main configuration [Alphabetical list of main options]

testing

The Exim command line [Command line options], Generic options for routers

verification

The Exim command line [Command line options]

without domain

Introduction [Limitations]

address duplicate, discarding

How Exim receives and delivers mail [Duplicate addresses], The redirect router [Duplicate addresses]

address expansion item

String expansions [Expansion operators]

address list
@@ lookup type

Domain, host, address, and local part lists [Address lists]

case forcing

Domain, host, address, and local part lists [Case of letters in address lists]

empty item

Domain, host, address, and local part lists [Address lists]

in a rewriting pattern

Address rewriting [Rewriting patterns]

in expansion condition

String expansions [Expansion conditions]

local part starting with !

Domain, host, address, and local part lists [Address lists]

lookup for complete address

Domain, host, address, and local part lists [Address lists]

patterns

Domain, host, address, and local part lists [Address lists]

regular expression in

Domain, host, address, and local part lists [Address lists]

split local part and domain

Domain, host, address, and local part lists [Address lists]

address qualification, suppressing

The Exim command line [Command line options]

address redirection
broken files

The redirect router [Private options for the redirect router]

disabling rewriting

The redirect router [Private options for the redirect router]

domain; preserving

The redirect router [Private options for the redirect router]

errors

The redirect router [Errors in redirection lists]

included external list

The redirect router [Special items in redirection lists]

local part without domain

The redirect router [Redirecting to a local mailbox]

non-filter list items

The redirect router [Items in a non-filter redirection list]

one-time expansion

The redirect router [Private options for the redirect router]

redirect router

The redirect router

repeated for each delivery attempt

The redirect router [Repeated redirection expansion]

to black hole

The redirect router [Special items in redirection lists]

to file

The redirect router [Special items in redirection lists]

to local mailbox

The redirect router [Redirecting to a local mailbox]

to pipe

The redirect router [Special items in redirection lists]

while verifying

The redirect router [Forward files and address verification], Access control lists [Redirection while verifying]

addresses expansion item

String expansions [Expansion operators]

admin user

Main configuration [Alphabetical list of main options], The Exim monitor [Running the monitor], Security considerations [Privileged users]

definition of

The Exim command line [Trusted and admin users]

affix
filter testing

The Exim command line [Command line options], The Exim command line [Command line options]

router precondition

How Exim receives and delivers mail [Router preconditions], How Exim receives and delivers mail [Router preconditions], Generic options for routers

variables

String expansions [Expansion variables], String expansions [Expansion variables]

alias file
backslash in

The redirect router [Redirecting to a local mailbox]

broken

The redirect router [Private options for the redirect router]

building

The Exim command line [Setting options by program name], The Exim command line [Command line options]

exception to default

The redirect router [Special items in redirection lists]

in a redirect router

The redirect router

one-time expansion

The redirect router [Private options for the redirect router]

ownership

The redirect router [Private options for the redirect router]

per-domain default

File and database lookups [Default values in single-key lookups]

alias for host

Domain, host, address, and local part lists [Host list patterns that match by host name]

alternate configuration file

The Exim command line [Command line options]

and expansion condition

String expansions [Combining expansion conditions]

angle brackets, excess

Main configuration [Alphabetical list of main options]

appendfile transport

The appendfile transport

appending to a file

The appendfile transport [Operational details for appending]

asterisk
after IP address

SMTP processing [Outgoing SMTP and LMTP over TCP/IP], Log files [Logging deliveries]

in address list

Domain, host, address, and local part lists [Address lists]

in domain list

Domain, host, address, and local part lists [Domain lists]

in host list

Domain, host, address, and local part lists [Special host list patterns], Domain, host, address, and local part lists [Host list patterns that match by host name]

in lookup type

Domain, host, address, and local part lists [Domain lists]

in search type

File and database lookups [Partial matching in single-key lookups]

authenticated ACL condition

Access control lists [ACL conditions]

authentication

SMTP authentication

ACL checking

Access control lists [ACL conditions]

ANONYMOUS

The gsasl authenticator, The gsasl authenticator [gsasl auth variables]

CRAM-MD5

The gsasl authenticator

CRAM-MD5 mechanism

The cram_md5 authenticator

Client Certificate

The external authenticator, The tls authenticator

DIGEST-MD5

The gsasl authenticator

EXTERNAL

The gsasl authenticator, The gsasl authenticator [gsasl auth variables]

GNU SASL

The gsasl authenticator

GSSAPI

The gsasl authenticator [gsasl auth variables], The heimdal_gssapi authenticator

Kerberos

The heimdal_gssapi authenticator

LOGIN

The gsasl authenticator

LOGIN mechanism

The plaintext authenticator [The LOGIN authentication mechanism]

Microsoft Secure Password

The spa authenticator

NTLM

The spa authenticator

PLAIN

The gsasl authenticator

PLAIN mechanism

The plaintext authenticator [The PLAIN authentication mechanism]

SASL

The gsasl authenticator

SCRAM-SHA-1

The gsasl authenticator

X509

The external authenticator, The tls authenticator

advertising

Main configuration [Alphabetical list of main options]

bounce message

Main configuration [Alphabetical list of main options]

expansion item

String expansions [Expansion items], String expansions [Expansion variables], SMTP authentication [Authentication on an Exim server], DKIM, SPF and DMARC [Verifying DKIM signatures in incoming mail], DKIM, SPF and DMARC [SPF (Sender Policy Framework)]

fail

String expansions [Expansion variables]

failure

String expansions [Expansion variables]

generic options

SMTP authentication [Generic options for authenticators]

id

String expansions [Expansion variables]

id, specifying for local message

The Exim command line [Command line options]

logging

Log files [Logging message reception]

name, specifying for local message

The Exim command line [Command line options]

on an Exim client

SMTP authentication [Authentication by an Exim client]

on an Exim server

SMTP authentication [Authentication on an Exim server]

optional in client

The smtp transport [Private options for smtp]

required by client

The smtp transport [Private options for smtp]

results header

String expansions [Expansion items]

sender

String expansions [Expansion variables]

sender, specifying for local message

The Exim command line [Command line options]

sender; authenticated

SMTP authentication [The AUTH parameter on MAIL commands]

testing a server

SMTP authentication [Testing server authentication]

to proxy

Proxies [Outbound proxies]

authenticators
cram_md5

The cram_md5 authenticator

cyrus_sasl

The cyrus_sasl authenticator

dovecot

The dovecot authenticator

external

The external authenticator

gsasl

The gsasl authenticator

heimdal_gssapi

The heimdal_gssapi authenticator

plaintext

The plaintext authenticator

spa

The spa authenticator

tls

The tls authenticator

autoreply transport

The autoreply transport

for system filter

Main configuration [Alphabetical list of main options]

B

BATV, verifying

Access control lists [Bounce address tag validation]

BDAT
SMTP command

The smtp transport [Private options for smtp], Access control lists [The DATA ACLs]

BIN_DIRECTORY

Building and installing Exim [Installing Exim binaries and scripts]

BSD, DBM library for

Building and installing Exim [DBM libraries]

Bcc: header line

The Exim command line [Command line options], Message processing [The Bcc: header line]

Berkeley DB library

Building and installing Exim [DBM libraries]

file format

File and database lookups [Single-key lookup types]

Bounce Address Tag Validation

see "BATV"

Bugzilla

Introduction [FTP site and websites]

background delivery

The Exim command line [Command line options]

backlog of connections

Main configuration [Alphabetical list of main options]

backslash in alias file

The redirect router [Redirecting to a local mailbox]

bang paths
not handled by Exim

Introduction [Limitations]

rewriting

Address rewriting [Rewriting examples]

banner for SMTP

Main configuration [Alphabetical list of main options]

base32 expansion item

String expansions [Expansion operators]

base32d expansion item

String expansions [Expansion operators]

base36

How Exim receives and delivers mail [Message identification]

base62

How Exim receives and delivers mail [Message identification], The appendfile transport [Private options for appendfile]

base62 expansion item

String expansions [Expansion operators]

base62d expansion item

String expansions [Expansion operators]

base64 decoding
in string expansion

String expansions [Expansion operators]

base64 encoding
conversion from hex

String expansions [Expansion operators]

creating authentication test data

SMTP authentication [Testing server authentication]

functions for local_scan() use

Adding a local scan function to Exim [Available Exim functions]

in encrypted password

String expansions [Expansion conditions]

in external authenticator

The external authenticator [Using external in a server]

in header lines

String expansions [Expansion items]

in plaintext authenticator

The plaintext authenticator [Using plaintext in a server]

in string expansion

String expansions [Expansion operators]

base64 expansion item

String expansions [Expansion operators]

base64d expansion item

String expansions [Expansion operators]

batched SMTP input

The Exim command line [Command line options], SMTP processing [Incoming batched SMTP]

batched SMTP output

SMTP processing [Outgoing batched SMTP]

batched SMTP output example

The manualroute router [Manualroute examples]

batched local delivery

Address batching in local transports

bcc recipients, verifying none

Access control lists [ACL conditions]

binary zero
in RFC 2047 decoding

Adding a local scan function to Exim [Available Exim functions]

in authentication data

SMTP authentication [Testing server authentication]

in header line

String expansions [Expansion items]

in lookup key

File and database lookups [Single-key lookup types], File and database lookups [Single-key lookup types], File and database lookups [Single-key lookup types], File and database lookups [Single-key lookup types], Exim utilities [Making DBM files (exim_dbmbuild)]

in message body

String expansions [Expansion variables], String expansions [Expansion variables]

in plaintext authenticator

The plaintext authenticator [Using plaintext in a server], The plaintext authenticator [The PLAIN authentication mechanism]

bind IP address

The smtp transport [Private options for smtp]

black hole

The redirect router [Special items in redirection lists]

black list (DNS)

String expansions [Expansion variables], Access control lists [ACL conditions], Access control lists [Using DNS lists], Log files [Reducing or increasing what is logged]

body of message
binary zero count

String expansions [Expansion variables]

definition of

Introduction [Terminology]

expansion variable

String expansions [Expansion variables], String expansions [Expansion variables]

line count

String expansions [Expansion variables]

size

String expansions [Expansion variables]

transporting

Generic options for transports

visible size

Main configuration [Alphabetical list of main options]

books about Exim

Introduction [Exim documentation]

bool expansion condition

String expansions [Expansion conditions]

bool_lax expansion condition

String expansions [Expansion conditions]

boolean configuration values

The Exim runtime configuration file [Boolean options]

bounce message
Reply-to: in

Main configuration [Alphabetical list of main options]

copy to other address

Main configuration [Alphabetical list of main options]

customizing

Main configuration [Alphabetical list of main options], Customizing bounce and warning messages [Customizing bounce messages]

definition of

Introduction [Terminology]

discarding

Main configuration [Alphabetical list of main options]

failure to deliver

How Exim receives and delivers mail [Failures to deliver bounce messages]

generating

The Exim command line [Command line options]

including body

Main configuration [Alphabetical list of main options]

including original

Main configuration [Alphabetical list of main options]

line length limit

Main configuration [Alphabetical list of main options]

recipient of

How Exim receives and delivers mail [Permanent delivery failure]

redirection details; suppressing

The redirect router [Private options for the redirect router]

sender authentication

Main configuration [Alphabetical list of main options]

size limit

Main configuration [Alphabetical list of main options]

when generated

How Exim receives and delivers mail [Permanent delivery failure]

bounce messages
From: line, specifying

Main configuration [Alphabetical list of main options]

success

Main configuration [Alphabetical list of main options]

broken alias or forward files

The redirect router [Private options for the redirect router]

bug reports

Introduction [Bug reports]

build directory

Building and installing Exim [The building process]

build-time options, overriding

Building and installing Exim [Overriding build-time options for Exim]

building DBM files

Exim utilities [Making DBM files (exim_dbmbuild)]

building Exim

Building and installing Exim

OS-specific C header files

Building and installing Exim [OS-specific header files]

architecture type

Building and installing Exim [Overriding build-time options for Exim]

multiple OS/architectures

Building and installing Exim [Multiple machine architectures and operating systems]

operating system type

Building and installing Exim [Overriding build-time options for Exim]

overriding default settings

Building and installing Exim [Overriding build-time options for Exim]

pre-building configuration

Building and installing Exim [Pre-building configuration]

building Eximon

Building and installing Exim [Overriding build-time options for the monitor]

building alias file

The Exim command line [Command line options]

C

CHUNKING
BDAT command

Access control lists [The DATA ACLs]

advertisement

Main configuration [Alphabetical list of main options]

enabling, in client

The smtp transport [Private options for smtp]

CIDR notation

Domain, host, address, and local part lists [Host list patterns that match by IP address], String expansions [Expansion operators]

CONFIGURE_FILE

Building and installing Exim [Installing Exim binaries and scripts], The Exim command line [Command line options], The Exim runtime configuration file

CONFIGURE_GROUP

The Exim runtime configuration file

CONFIGURE_OWNER

The Exim runtime configuration file

CR character

see "carriage return"

CRAM-MD5 authentication mechanism

The cram_md5 authenticator

CRL

see "certificate revocation list"

CSA
in dnsdb lookup

File and database lookups [Pseudo dnsdb record types]

verifying

Access control lists [Client SMTP authorization (CSA)]

CSA verification

Access control lists [ACL conditions]

Cc: header line

The Exim command line [Command line options]

Certificate-based authentication

The external authenticator, The tls authenticator

Client SMTP Authorization

see "CSA"

Courier

File and database lookups [Single-key lookup types]

Cygwin

How Exim receives and delivers mail [Message identification]

Cyrus

Incorporated code, String expansions [Expansion conditions], String expansions [Expansion conditions], The pipe transport [Private options for pipe], The pipe transport [Using an external local delivery agent], The smtp transport [Private options for smtp]

SASL library

The cyrus_sasl authenticator

caching
callout

Access control lists [Callout caching]

callout timeouts

Main configuration [Alphabetical list of main options]

lookup data

File and database lookups [Lookup caching]

named lists

Domain, host, address, and local part lists [Named list caching]

of dns lookup

File and database lookups [Dnsdb lookup modifiers], Access control lists [Using DNS lists]

caching callout, suppressing

Access control lists [Additional parameters for callouts]

callout
additional parameters for

Access control lists [Additional parameters for callouts]

cache, description of

Access control lists [Callout caching]

cache, suppressing

Access control lists [Additional parameters for callouts]

caching timeouts

Main configuration [Alphabetical list of main options]

connection timeout, specifying

Access control lists [Additional parameters for callouts]

defer, action on

Access control lists [Additional parameters for callouts]

full postmaster check

Access control lists [Additional parameters for callouts]

overall timeout, specifying

Access control lists [Additional parameters for callouts]

postmaster; checking

Access control lists [Additional parameters for callouts]

random check

Access control lists [Additional parameters for callouts]

sender for recipient check

Access control lists [Additional parameters for callouts]

sender when verifying header

Access control lists [Additional parameters for callouts]

timeout, specifying

Access control lists [Additional parameters for callouts]

verification

Access control lists [Callout verification]

carriage return

The appendfile transport [Private options for appendfile], The pipe transport [Private options for pipe], Message processing [Line endings], SMTP processing [Outgoing SMTP and LMTP over TCP/IP], SMTP processing [Incoming SMTP messages over TCP/IP]

case forcing in address lists

Domain, host, address, and local part lists [Case of letters in address lists]

case forcing in strings

String expansions [Expansion operators], String expansions [Expansion operators]

case of local parts

How Exim receives and delivers mail [Duplicate addresses], Domain, host, address, and local part lists [Case of letters in address lists], Generic options for routers, Access control lists [Use of the control modifier], Message processing [Case of local parts]

case sensitivity
in (n)wildlsearch lookup

File and database lookups [Single-key lookup types]

in lsearch lookup

File and database lookups [Single-key lookup types]

cdb
acknowledgment

Incorporated code

description of

File and database lookups [Single-key lookup types]

including support for

Building and installing Exim [Overriding build-time options for Exim]

certextract
certificate fields

String expansions [Expansion items]

certificate
base64 of DER

String expansions [Expansion operators]

client, location of

The smtp transport [Private options for smtp]

directory for LDAP

Main configuration [Alphabetical list of main options]

extracting fields

String expansions [Expansion items], String expansions [Expansion variables]

file for LDAP

Main configuration [Alphabetical list of main options], Main configuration [Alphabetical list of main options]

fingerprint

String expansions [Expansion operators], String expansions [Expansion operators], String expansions [Expansion operators]

key for LDAP

Main configuration [Alphabetical list of main options]

references to discussion

Encrypted SMTP connections using TLS/SSL [Certificates and all that]

revocation list

Encrypted SMTP connections using TLS/SSL [Revoked certificates]

revocation list for client

The smtp transport [Private options for smtp]

revocation list for server

Main configuration [Alphabetical list of main options]

self-signed

Encrypted SMTP connections using TLS/SSL [Self-signed certificates]

server, location of

Main configuration [Alphabetical list of main options]

variables

String expansions [Expansion variables]

verification of client

Main configuration [Alphabetical list of main options], Main configuration [Alphabetical list of main options], Main configuration [Alphabetical list of main options], Encrypted SMTP connections using TLS/SSL [Requesting and verifying client certificates], Access control lists [ACL conditions]

verification of server

The smtp transport [Private options for smtp], The smtp transport [Private options for smtp], The smtp transport [Private options for smtp], The smtp transport [Private options for smtp]

change log

Introduction [Exim documentation]

checking access

Exim utilities [Checking access policy (exim_checkaccess)]

checking disk space

Main configuration [Alphabetical list of main options], Main configuration [Alphabetical list of main options]

cipher
logging

Encrypted SMTP connections using TLS/SSL [Configuring an Exim server to use TLS], Encrypted SMTP connections using TLS/SSL [Configuring an Exim client to use TLS]

requiring specific

Main configuration [Alphabetical list of main options], The smtp transport [Private options for smtp], The smtp transport [Private options for smtp]

class resources (BSD)

The pipe transport [Private options for pipe]

client, non-queueing

Using Exim as a non-queueing client

command line
addresses with -t

Main configuration [Alphabetical list of main options]

options

The Exim command line

common option syntax

The Exim runtime configuration file [Common option syntax]

compiler
requirements

Building and installing Exim [Multiple machine architectures and operating systems]

version

Building and installing Exim [Multiple machine architectures and operating systems]

concurrent deliveries

Environment for running local transports [Concurrent deliveries]

condition ACL condition

Access control lists [ACL conditions]

configuration file
alternate

The Exim command line [Command line options], The Exim runtime configuration file [Using a different configuration file]

common option syntax

The Exim runtime configuration file [Common option syntax]

conditional skips

The Exim runtime configuration file [Conditional skips in the configuration file]

default walk through

The default configuration file

editing

Building and installing Exim [Overriding build-time options for Exim]

errors in

The Exim runtime configuration file

format of

The Exim runtime configuration file [Configuration file format]

general description

The Exim runtime configuration file

including other files

The Exim runtime configuration file [File inclusions in the configuration file]

leading white space in

The Exim runtime configuration file [Configuration file format]

macros

The Exim runtime configuration file [Macros in the configuration file]

main section

Main configuration

ownership

The Exim runtime configuration file

retry section

Retry configuration

trailing white space in

The Exim runtime configuration file [Configuration file format]

configuration for building Exim

Building and installing Exim [Pre-building configuration]

configuration options
extracting

The Exim command line [Command line options]

hiding value of

The Exim command line [Command line options], The Exim runtime configuration file [Common option syntax]

connection backlog

Main configuration [Alphabetical list of main options]

constructed address

Message processing [Constructed addresses]

content scanning
AV scanner failure

String expansions [Expansion variables]

MIME parts

Content scanning at ACL time [Scanning MIME parts]

at ACL time

Content scanning at ACL time

for spam

Content scanning at ACL time [Scanning with SpamAssassin and Rspamd]

for viruses

Content scanning at ACL time [Scanning for viruses]

per user

Generic options for transports

specifying at build time

Building and installing Exim [Pre-building configuration]

the malware condition

Content scanning at ACL time [Scanning for viruses]

with regular expressions

Content scanning at ACL time [Scanning with regular expressions]

continue ACL modifier

Access control lists [ACL modifiers]

control ACL modifier

Access control lists [ACL modifiers], Access control lists [Use of the control modifier]

control of incoming mail

Access control lists

copy of bounce message

Main configuration [Alphabetical list of main options]

copy of message (unseen option)

Generic options for routers []

correction of invalid utf-8 sequences in strings

String expansions [Expansion operators]

cram_md5 authenticator

The cram_md5 authenticator

creating directories

The appendfile transport

crypt()

String expansions [Expansion conditions]

crypt16()

String expansions [Expansion conditions]

crypteq expansion condition

String expansions [Expansion conditions]

current directory for local transport

Generic options for routers [], Environment for running local transports [Current and home directories]

customizing
ACL condition

Access control lists [ACL conditions]

Received: header

Main configuration [Alphabetical list of main options]

SMTP banner

Main configuration [Alphabetical list of main options]

batching condition

Address batching in local transports

bounce message

Main configuration [Alphabetical list of main options], Customizing bounce and warning messages [Customizing bounce messages]

cannot route message

Generic options for routers

failure message

The redirect router [Special items in redirection lists]

input scan using C function

Adding a local scan function to Exim

precondition

How Exim receives and delivers mail [Router preconditions]

version number

Main configuration [Alphabetical list of main options]

warning message

Main configuration [Alphabetical list of main options], Customizing bounce and warning messages [Customizing warning messages]

cutthrough
logging

Log files [Logging deliveries]

requesting

Access control lists [Use of the control modifier]

cycling logs

Log files [Logging to local files that are periodically cycled], Exim utilities [Cycling log files (exicyclog)]

cyrus_sasl authenticator

The cyrus_sasl authenticator

D

DANE

Encrypted SMTP connections using TLS/SSL [DANE]

TLS ciphers

The smtp transport [Private options for smtp]

attempting for certain servers

The smtp transport [Private options for smtp]

logging

Log files [Reducing or increasing what is logged]

reporting

Encrypted SMTP connections using TLS/SSL [DANE]

requiring for certain servers

The smtp transport [Private options for smtp]

transport options

The smtp transport [Private options for smtp], The smtp transport [Private options for smtp]

DATA
ACL for

Main configuration [Alphabetical list of main options]

ACLs for

Access control lists [Specifying when ACLs are used], Access control lists [The DATA ACLs]

PRDR ACL for

Main configuration [Alphabetical list of main options]

DBM
building dbm files

Exim utilities [Making DBM files (exim_dbmbuild)]

lookup type

File and database lookups [Single-key lookup types]

DBM libraries
configuration for building

Building and installing Exim [DBM libraries], Building and installing Exim [Overriding build-time options for Exim]

discussion of

Building and installing Exim [DBM libraries]

DCSP
outbound

The smtp transport [Private options for smtp]

DKIM

DKIM, SPF and DMARC [DKIM (DomainKeys Identified Mail)]

ACL for

Main configuration [Alphabetical list of main options], Access control lists [Specifying when ACLs are used]

controlling calls to the ACL

Main configuration [Alphabetical list of main options]

disable verify

Access control lists [Use of the control modifier]

log line

Log files [Other log entries]

selecting signature algorithms

Main configuration [Alphabetical list of main options], DKIM, SPF and DMARC [Verifying DKIM signatures in incoming mail]

signing

DKIM, SPF and DMARC [Signing outgoing messages]

verification

DKIM, SPF and DMARC [Verifying DKIM signatures in incoming mail]

verification logging

Log files [Reducing or increasing what is logged], Log files [Reducing or increasing what is logged]

DMARC
configuration options

DKIM, SPF and DMARC [DMARC]

controls

DKIM, SPF and DMARC [DMARC]

result

DKIM, SPF and DMARC [DMARC]

verification

DKIM, SPF and DMARC [DMARC]

DNS
CNAME following

Main configuration [Alphabetical list of main options]

DNSSEC

String expansions [Expansion variables], String expansions [Expansion variables], String expansions [Expansion variables], Main configuration [Alphabetical list of main options], Main configuration [Alphabetical list of main options], Main configuration [Alphabetical list of main options], Generic options for routers, Generic options for routers, The smtp transport [Private options for smtp], The smtp transport [Private options for smtp]

EDNS0

Main configuration [Alphabetical list of main options]

IPv4 preference

The dnslookup router [Private options for dnslookup]

IPv6 disabling

Main configuration [Alphabetical list of main options], The dnslookup router [Private options for dnslookup]

IPv6 lookup for AAAA records

Main configuration [Alphabetical list of main options]

OpenBSD

Main configuration [Alphabetical list of main options]

TTL

File and database lookups [Dnsdb lookup modifiers], Access control lists [Using DNS lists]

as a lookup type

File and database lookups [Query-style lookup types], File and database lookups [More about dnsdb]

pre-check of name syntax

Main configuration [Alphabetical list of main options]

qualifying single-component names

The dnslookup router [Private options for dnslookup]

resolver options

Main configuration [Alphabetical list of main options], Main configuration [Alphabetical list of main options], Main configuration [Alphabetical list of main options], Main configuration [Alphabetical list of main options], Main configuration [Alphabetical list of main options], The dnslookup router [Private options for dnslookup], The dnslookup router [Private options for dnslookup]

reverse lookup

String expansions [Expansion variables], Main configuration [Alphabetical list of main options], Format of spool files [Format of the -H file]

timeout

File and database lookups [Dnsdb lookup modifiers], Main configuration [Alphabetical list of main options]

try again response; overriding

Main configuration [Alphabetical list of main options]

DNS list
IPv6 usage

Access control lists [DNS lists and IPv6]

data returned from

Access control lists [Data returned by DNS lists]

in ACL

Access control lists [ACL conditions], Access control lists [Using DNS lists]

information from merged

Access control lists [Detailed information from merged DNS lists]

keyed by domain name

Access control lists [DNS lists keyed on domain names]

keyed by explicit IP address

Access control lists [Specifying the IP address for a DNS list lookup]

logging defer

Log files [Reducing or increasing what is logged]

matching specific returned data

Access control lists [Additional matching conditions for DNS lists]

multiple keys for

Access control lists [Multiple explicit keys for a DNS list]

variables set from

Access control lists [Variables set from DNS lists]

DNS resolver, debugging output

The Exim command line [Command line options]

DNSSEC
MX lookup

Generic options for routers, Generic options for routers, The smtp transport [Private options for smtp], The smtp transport [Private options for smtp]

dns lookup

File and database lookups [Dnsdb lookup modifiers]

DSCP
inbound

Access control lists [Use of the control modifier]

values

The Exim command line [Command line options]

DSN
success

Main configuration [Alphabetical list of main options], Generic options for routers, The redirect router

Darwin

How Exim receives and delivers mail [Message identification]

Date: header line

Message processing [The Date: header line]

Debian
information sources

Introduction [Exim documentation]

mailing list for

Introduction [Mailing lists]

Delivery Status Notification
success

Main configuration [Alphabetical list of main options], Generic options for routers, The redirect router

Delivery-date: header line

Main configuration [Alphabetical list of main options], Generic options for transports, Message processing [The Delivery-date: header line]

daemon

The Exim command line [Command line options], The Exim command line [Command line options], SMTP processing [Incoming SMTP messages over TCP/IP]

TCP_NODELAY on sockets

Main configuration [Alphabetical list of main options]

listening IP addresses

Starting the daemon and the use of network interfaces

pid file path

Main configuration [Alphabetical list of main options]

process id (pid)

The Exim command line [Command line options], The Exim command line [Command line options], The Exim command line [Command line options]

reload configuration

The Exim command line [Command line options]

restarting

The Exim command line [Command line options], Security considerations [Running Exim without privilege]

starting

Starting the daemon and the use of network interfaces

daemon startup, retrying

Main configuration [Alphabetical list of main options]

database
lookups

File and database lookups

updating in ACL

Access control lists [ACL modifiers]

dbmjz lookup type

File and database lookups [Single-key lookup types]

dbmnz lookup type

File and database lookups [Single-key lookup types]

debugging
-N option

The Exim command line [Command line options]

-bh option

The Exim command line [Command line options]

-d option

The Exim command line [Command line options]

UTF-8 in

The Exim command line [Command line options]

enabling from an ACL

Access control lists [Use of the control modifier]

from embedded Perl

Embedded Perl [Calling Exim functions from Perl]

list of selectors

The Exim command line [Command line options]

memory corruption

Main configuration [Alphabetical list of main options]

suppressing delivery

The Exim command line [Command line options]

decode ACL condition

Access control lists [ACL conditions]

def expansion condition

String expansions [Expansion conditions]

default
ACLs

The default configuration file [ACL configuration]

configuration file walk through

The default configuration file

in single-key lookups

File and database lookups [Default values in single-key lookups]

retry rule

The default configuration file [Default retry rule]

routers

The default configuration file [Router configuration]

transports

The default configuration file [Transport configuration]

defer ACL verb

Access control lists [ACL verbs]

defer in system filter

System-wide message filtering [Defer, freeze, and fail commands for system filters]

defer, fake

Access control lists [Use of the control modifier]

deferred delivery, forcing

The redirect router [Special items in redirection lists]

delay ACL modifier

Access control lists [ACL modifiers]

delay warning, specifying

Main configuration [Alphabetical list of main options]

delayed delivery, logging

Log files [Reducing or increasing what is logged]

delivery
abandoning further attempts

The Exim command line [Command line options]

blackhole

The redirect router [Special items in redirection lists]

by external agent

The pipe transport [Using an external local delivery agent]

cancelling all

The Exim command line [Command line options]

cancelling by address

The Exim command line [Command line options]

cutthrough; logging

Log files [Logging deliveries]

deferral

How Exim receives and delivers mail [Delivery in detail]

delaying certain domains

Main configuration [Alphabetical list of main options]

discard

The redirect router [Special items in redirection lists]

discarded; logging

Log files [Discarded deliveries]

failure report

see "bounce message"

failure; logging

Log files [Delivery failures]

fake; logging

Log files [Fake deliveries]

first

String expansions [Expansion conditions]

forcing attempt

The Exim command line [Command line options]

forcing deferral

The redirect router [Special items in redirection lists]

forcing failure

The redirect router [Special items in redirection lists], The Exim monitor [The queue menu]

forcing in queue run

The Exim command line [Command line options]

from given sender

The Exim command line [Command line options]

in detail

How Exim receives and delivers mail [Delivery in detail]

in the background

The Exim command line [Command line options]

in the foreground

The Exim command line [Command line options]

log line format

Generic options for routers

manually started – not forced

The Exim command line [Command line options]

maximum number of

Main configuration [Alphabetical list of main options]

parallelism for remote

Main configuration [Alphabetical list of main options]

parallelism for transport

Generic options for transports

permanent failure

How Exim receives and delivers mail [Permanent delivery failure]

problems with

Building and installing Exim [Testing]

procmail

The pipe transport [Using an external local delivery agent]

retry in remote transports

How Exim receives and delivers mail [Delivery in detail]

retry mechanism

How Exim receives and delivers mail [Retry mechanism]

sorting remote

Main configuration [Alphabetical list of main options]

suppressing immediate

The Exim command line [Command line options]

temporary failure

How Exim receives and delivers mail [Temporary delivery failure]

to file; forbidding

The redirect router [Private options for the redirect router]

to given domain

The Exim command line [Command line options]

to pipe; forbidding

The redirect router [Private options for the redirect router]

to single file

The appendfile transport [Operational details for delivery to a new file]

unprivileged

Main configuration [Alphabetical list of main options]

delivery failure, long-term

Retry configuration [Long-term failures]

deny ACL verb

Access control lists [ACL verbs]

design philosophy

How Exim receives and delivers mail [Overall philosophy]

dialup

see "intermittently connected hosts"

directories, multiple

Main configuration [Alphabetical list of main options]

directory creation

The appendfile transport, The appendfile transport [Private options for appendfile], The appendfile transport [Operational details for appending], The appendfile transport [Operational details for delivery to a new file]

disable DKIM verify

Access control lists [Use of the control modifier]

discard ACL verb

Access control lists [ACL verbs]

discarded messages

Log files [Discarded deliveries]

discarding bounce message

Main configuration [Alphabetical list of main options]

disk space, checking

Main configuration [Alphabetical list of main options], Main configuration [Alphabetical list of main options]

distribution
FTP site

Introduction [Where to find the Exim distribution]

https site

Introduction [Where to find the Exim distribution]

public key

Introduction [Where to find the Exim distribution]

signing details

Introduction [Where to find the Exim distribution]

dlfunc

String expansions [Expansion items]

API description

Adding a local scan function to Exim [API for local_scan()]

dns
logging slow lookups

Main configuration [Alphabetical list of main options]

dnsdb lookup

File and database lookups [More about dnsdb]

dnsdb modifiers

File and database lookups [Dnsdb lookup modifiers]

dnslists ACL condition

Access control lists [ACL conditions]

dnslookup router

The dnslookup router

declines

The dnslookup router [Declining addresses by dnslookup]

dnssec
logging

Log files [Reducing or increasing what is logged]

doc/ChangeLog

Introduction [Exim documentation]

doc/NewStuff

Introduction [Exim documentation]

doc/spec.txt

Introduction [Exim documentation]

documentation

Introduction [Exim documentation]

available formats

Introduction [Where to find the Exim distribution]

domain
ACL checking

Access control lists [ACL conditions]

UTF-8 characters in

Main configuration [Alphabetical list of main options]

definition of

Introduction [Terminology]

delaying delivery

Main configuration [Alphabetical list of main options]

delivery to

The Exim command line [Command line options]

extraction

String expansions [Expansion operators]

for qualifying addresses

Main configuration [Alphabetical list of main options]

in redirection; preserving

The redirect router [Private options for the redirect router]

manually routing

The manualroute router

partial; widening

The dnslookup router [Private options for dnslookup]

specifying non-immediate delivery

Main configuration [Alphabetical list of main options]

virtual

Some common configuration settings [Virtual domains]

domain list
asterisk in

Domain, host, address, and local part lists [Domain lists]

in expansion condition

String expansions [Expansion conditions]

matching MX pointers to local host

Domain, host, address, and local part lists [Domain lists]

matching by lookup

Domain, host, address, and local part lists [Domain lists]

matching ends with

Domain, host, address, and local part lists [Domain lists]

matching literal domain name

Domain, host, address, and local part lists [Domain lists]

matching local IP interfaces

Domain, host, address, and local part lists [Domain lists]

matching primary host name

Domain, host, address, and local part lists [Domain lists]

matching regular expression

Domain, host, address, and local part lists [Domain lists]

patterns for

Domain, host, address, and local part lists [Domain lists]

domain literal

Domain, host, address, and local part lists [Domain lists], Main configuration [Alphabetical list of main options]

default router

The default configuration file [Router configuration]

recognizing format

The default configuration file [Main configuration settings]

routing

The ipliteral router

domainless addresses

Introduction [Limitations]

domains ACL condition

Access control lists [ACL conditions]

dot
in incoming non-SMTP message

The Exim command line [Command line options], The Exim command line [Command line options]

in local part

Message processing [Dots in local parts]

trailing on domain

Main configuration [Alphabetical list of main options]

dovecot authenticator

The dovecot authenticator

drivers
adding new

Adding new drivers or lookup types

configuration format

The Exim runtime configuration file [Format of driver configurations]

definition of

How Exim receives and delivers mail [Processing an address for delivery]

instance definition

How Exim receives and delivers mail [Processing an address for delivery]

drop ACL verb

Access control lists [ACL verbs]

dsearch lookup type

File and database lookups [Single-key lookup types]

duplicate addresses

How Exim receives and delivers mail [Duplicate addresses], The Exim command line [Command line options], Generic options for routers, The redirect router [Duplicate addresses]

dynamic modules

Building and installing Exim [Dynamically loaded lookup module support]

E

EACCES

The redirect router [Private options for the redirect router]

EAI

String expansions [Expansion operators], Internationalisation

EHLO

SMTP processing [Outgoing SMTP and LMTP over TCP/IP], Log files [Logging message reception]

ACL for

Main configuration [Alphabetical list of main options], Access control lists [Specifying when ACLs are used], Access control lists [The EHLO/HELO ACL]

accepting junk data

Main configuration [Alphabetical list of main options]

argument, setting

The smtp transport [Private options for smtp]

avoiding use of

The smtp transport [Private options for smtp]

forcing reverse lookup

Main configuration [Alphabetical list of main options]

invalid data

SMTP processing [Incoming SMTP messages over TCP/IP]

underscores in

Main configuration [Alphabetical list of main options]

verifying

Access control lists [ACL conditions]

verifying, mandatory

Main configuration [Alphabetical list of main options]

verifying, optional

Main configuration [Alphabetical list of main options]

ENOTDIR

The redirect router [Private options for the redirect router]

ESMTP, avoiding use of

The smtp transport [Private options for smtp]

ETRN
ACL for

Main configuration [Alphabetical list of main options], Access control lists [Specifying when ACLs are used]

command to be run

Main configuration [Alphabetical list of main options]

logging

Log files [Reducing or increasing what is logged]

processing

SMTP processing [The ETRN command]

serializing

Main configuration [Alphabetical list of main options]

value of $domain

String expansions [Expansion variables]

EXIM_GROUP

The Exim runtime configuration file

EXIM_USER

The Exim runtime configuration file

EXPN
ACL for

Main configuration [Alphabetical list of main options], Access control lists [Specifying when ACLs are used]

error text, display of

The redirect router [Special items in redirection lists]

processing

SMTP processing [The VRFY and EXPN commands]

router skipping

Generic options for routers

with verify_only

Generic options for routers []

EXTRALIBS

Building and installing Exim [Overriding build-time options for Exim]

Envelope-to: header line

Main configuration [Alphabetical list of main options], Generic options for transports, Address batching in local transports, Message processing [The Envelope-to: header line]

Exim arguments, logging

Log files [Reducing or increasing what is logged]

Exim binary, path name

Main configuration [Alphabetical list of main options]

Exim group

Main configuration [Alphabetical list of main options]

Exim monitor
acknowledgment

Incorporated code

description

The Exim monitor

window size

The Exim monitor [Main action buttons]

Exim user

Main configuration [Alphabetical list of main options]

Exim version

Main configuration [Alphabetical list of main options]

empty item in hosts list

Domain, host, address, and local part lists [Special host list patterns]

encrypted ACL condition

Access control lists [ACL conditions]

encrypted strings, comparing

String expansions [Expansion conditions]

encryption
checking in an ACL

Access control lists [ACL conditions]

including support for

Building and installing Exim [Including TLS/SSL encryption support]

on SMTP connection

Main configuration [Alphabetical list of main options], Encrypted SMTP connections using TLS/SSL

endpass ACL modifier

Access control lists [ACL modifiers]

envelope from

The Exim command line [Trusted and admin users], The Exim command line [Command line options], The Exim command line [Command line options], Main configuration [Alphabetical list of main options], Main configuration [Alphabetical list of main options], Generic options for routers, Generic options for transports, The appendfile transport [Private options for appendfile], Address rewriting [When does rewriting happen?], System-wide message filtering [Setting an errors address in a system filter], Message processing [The UUCP From line], Some common configuration settings [Variable Envelope Return Paths (VERP)]

envelope sender

The Exim command line [Trusted and admin users], The Exim command line [Command line options], The Exim command line [Command line options], Main configuration [Alphabetical list of main options], Main configuration [Alphabetical list of main options], Generic options for routers, Generic options for transports, The appendfile transport [Private options for appendfile], The pipe transport [Private options for pipe], System-wide message filtering [Setting an errors address in a system filter], Message processing [The UUCP From line], Some common configuration settings [Variable Envelope Return Paths (VERP)]

rewriting at transport time

Address rewriting [When does rewriting happen?]

envelope, definition of

Introduction [Terminology]

environment

The Exim command line [Command line options]

local transports

Environment for running local transports

pipe transport

The pipe transport [Environment variables], The pipe transport [Private options for pipe]

set values

Main configuration [Alphabetical list of main options]

values from

String expansions [Expansion items], Main configuration [Alphabetical list of main options], Main configuration [Alphabetical list of main options]

eq expansion condition

String expansions [Expansion conditions]

eqi expansion condition

String expansions [Expansion conditions]

error
ignored

Log files [Other log entries]

in configuration file

The Exim runtime configuration file

in outgoing SMTP

SMTP processing [Errors in outgoing SMTP]

reporting

The Exim command line [Command line options], The Exim command line [Command line options], The Exim command line [Command line options], The Exim command line [Command line options], The Exim command line [Command line options]

skipping bad syntax

The redirect router [Private options for the redirect router]

escape characters in quoted strings

The Exim runtime configuration file [String values]

escape expansion item

String expansions [Expansion operators]

escape8bit expansion item

String expansions [Expansion operators]

eval expansion item

String expansions [Expansion operators]

events

Main configuration [Alphabetical list of main options], Generic options for transports, Events

exec failure

The pipe transport [Private options for pipe]

exicyclog

Log files [Logging to local files that are periodically cycled], Exim utilities [Cycling log files (exicyclog)]

exigrep

Exim utilities [Extracting specific information from the log (exigrep)]

exim_checkaccess

Exim utilities [Checking access policy (exim_checkaccess)]

exim_dbmbuild

Exim utilities [Making DBM files (exim_dbmbuild)]

exim_dumpdb

Exim utilities [exim_dumpdb]

exim_fixdb

Exim utilities [exim_fixdb]

exim_lock

Exim utilities [Mailbox maintenance (exim_lock)]

exim_monitor/EDITME

Building and installing Exim [Pre-building configuration], The Exim monitor

exim_tidydb

Exim utilities [exim_tidydb]

eximon

The Exim monitor

eximstats

Exim utilities [Mail statistics (eximstats)]

exinext

Exim utilities [Finding individual retry times (exinext)]

exipick

Exim utilities [Selecting messages by various criteria (exipick)]

exiqgrep

Exim utilities [Selective queue listing (exiqgrep)]

exiqsumm

Exim utilities [Summarizing the queue (exiqsumm)]

exiscan

see "content scanning"

exists, expansion condition

String expansions [Expansion conditions]

exiwhat

Main configuration [Alphabetical list of main options], Exim utilities [Finding out what Exim processes are doing (exiwhat)]

expansion
IP address

String expansions [Expansion operators]

IP address masking

String expansions [Expansion operators]

LDAP authentication test

String expansions [Expansion conditions]

MD5 hash

String expansions [Expansion operators]

PAM authentication test

String expansions [Expansion conditions]

RFC 2047

String expansions [Expansion operators], String expansions [Expansion operators]

RFC 2822 address handling

String expansions [Expansion operators], String expansions [Expansion operators]

Radius authentication

String expansions [Expansion conditions]

SHA-1 hashing

String expansions [Expansion operators]

SHA-256 hashing

String expansions [Expansion operators]

SHA3 hashing

String expansions [Expansion operators]

UTF-8

String expansions [Expansion operators]

UTF-8 conversion

String expansions [Expansion operators]

and of conditions

String expansions [Combining expansion conditions]

arithmetic expression

String expansions [Expansion operators]

base64 decoding

String expansions [Expansion operators]

base64 encoding

String expansions [Expansion operators]

boolean parsing

String expansions [Expansion conditions], String expansions [Expansion conditions]

calling Perl from

String expansions [Expansion items]

calling an acl

String expansions [Expansion items], String expansions [Expansion conditions]

case forcing

String expansions [Expansion operators], String expansions [Expansion operators]

character translation

String expansions [Expansion items]

checking for empty variable

String expansions [Expansion conditions]

checking header line existence

String expansions [Expansion conditions]

combining conditions

String expansions [Combining expansion conditions]

conditional

String expansions [Expansion items]

conditions

String expansions [Expansion conditions]

conversion to base 32

String expansions [Expansion operators], String expansions [Expansion operators]

conversion to base 62

String expansions [Expansion operators], String expansions [Expansion operators]

definition of

The Exim runtime configuration file [Expanded strings]

domain extraction

String expansions [Expansion operators]

encrypted comparison

String expansions [Expansion conditions]

escape sequences

String expansions [Character escape sequences in expanded strings]

escaping 8-bit characters

String expansions [Expansion operators]

escaping non-printing characters

String expansions [Expansion operators]

expression evaluation

String expansions [Expansion operators]

extracting certificate fields

String expansions [Expansion items]

extracting from JSON array

String expansions [Expansion items]

extracting from JSON object

String expansions [Expansion items]

extracting list elements by number

String expansions [Expansion items]

extracting substrings by key

String expansions [Expansion items]

extracting substrings by number

String expansions [Expansion items]

extracting value from environment

String expansions [Expansion items]

file existence test

String expansions [Expansion conditions]

first delivery test

String expansions [Expansion conditions]

forall condition

String expansions [Expansion conditions]

forall_json condition

String expansions [Expansion conditions]

forall_jsons condition

String expansions [Expansion conditions]

forany condition

String expansions [Expansion conditions]

forany_json condition

String expansions [Expansion conditions]

forany_jsons condition

String expansions [Expansion conditions]

forced failure

String expansions [Forced expansion failure]

header insertion

String expansions [Expansion items]

hex to base64

String expansions [Expansion operators]

hmac hashing

String expansions [Expansion items]

imap folder

String expansions [Expansion items]

including literal text

String expansions [Literal text in expanded strings]

inserting an entire file

String expansions [Expansion items]

inserting from a socket

String expansions [Expansion items]

list creation

String expansions [Expansion items]

list item count

String expansions [Expansion operators]

list sorting

String expansions [Expansion items]

local part extraction

String expansions [Expansion operators]

lookup in

String expansions [Expansion items]

named list

String expansions [Expansion operators]

negating a condition

String expansions [Expansion conditions]

non-expandable substrings

String expansions [Literal text in expanded strings]

numeric comparison

String expansions [Expansion conditions]

numeric hash

String expansions [Expansion items], String expansions [Expansion operators]

of lists

Domain, host, address, and local part lists [Expansion of lists]

of strings

String expansions

operators

String expansions [Expansion items], String expansions [Expansion operators]

or of conditions

String expansions [Combining expansion conditions]

pwcheck authentication test

String expansions [Expansion conditions]

queue runner test

String expansions [Expansion conditions]

quoting

String expansions [Expansion operators]

re-expansion of substring

String expansions [Expansion operators]

reducing a list to a scalar

String expansions [Expansion items]

regular expression comparison

String expansions [Expansion conditions]

running a command

String expansions [Expansion items]

saslauthd authentication test

String expansions [Expansion conditions]

selecting from list by condition

String expansions [Expansion items]

statting a file

String expansions [Expansion operators], The redirect router [Private options for the redirect router]

string comparison

String expansions [Expansion conditions], String expansions [Expansion conditions], String expansions [Expansion conditions], String expansions [Expansion conditions], String expansions [Expansion conditions]

string concatenation

String expansions

string length

String expansions [Expansion operators]

string substitution

String expansions [Expansion items]

string truncation

String expansions [Expansion items], String expansions [Expansion operators]

substring expansion

String expansions [Expansion operators]

substring extraction

String expansions [Expansion items]

tainted data

String expansions

testing

The Exim command line [Command line options], The Exim command line [Command line options], The Exim command line [Command line options], String expansions [Testing string expansions]

textual hash

String expansions [Expansion items], String expansions [Expansion operators]

utf-8 forcing

String expansions [Expansion operators]

variables

String expansions [Expansion items]

variables, list of

String expansions [Expansion variables]

variables, set from DNS list

Access control lists [Variables set from DNS lists]

external authenticator

The external authenticator

external local delivery

The pipe transport [Using an external local delivery agent]

external transports

Introduction [Limitations]

extract
substrings by key

String expansions [Expansion items]

substrings by number

String expansions [Expansion items]

F

FAQ

Introduction [FTP site and websites]

FTP site

Introduction [FTP site and websites], Introduction [Where to find the Exim distribution]

FreeBSD, MTA indirection

Building and installing Exim [Replacing another MTA with Exim]

From line

The Exim command line [Trusted and admin users], The Exim command line [Command line options], The Exim command line [Command line options], The Exim command line [Command line options], Main configuration [Alphabetical list of main options], Main configuration [Alphabetical list of main options], The appendfile transport [Private options for appendfile], The appendfile transport [Private options for appendfile], The appendfile transport [Operational details for delivery to a new file], The pipe transport [Private options for pipe], Message processing [The UUCP From line]

From: header line

The Exim command line [Trusted and admin users], Message processing [The From: header line]

disabling checking of

Main configuration [Alphabetical list of main options]

in bounces

Main configuration [Alphabetical list of main options]

fail
in system filter

System-wide message filtering [Defer, freeze, and fail commands for system filters]

log line; reducing

System-wide message filtering [Defer, freeze, and fail commands for system filters]

failing delivery
forcing

The redirect router [Special items in redirection lists]

from filter

The redirect router [Private options for the redirect router]

failover

see "fallback"

failure of exec

The pipe transport [Private options for pipe]

fake defer

Access control lists [Use of the control modifier]

fake rejection

Access control lists [Use of the control modifier]

fallback
hosts specified on router

Generic options for routers

hosts specified on transport

The smtp transport [Private options for smtp], The smtp transport [Private options for smtp]

randomized hosts

The smtp transport [Private options for smtp]

fallover

see "fallback"

fast open, TCP
enabling, in client

The smtp transport [Private options for smtp]

fifo (named pipe)

The appendfile transport [Private options for appendfile]

file
MBX format

The appendfile transport [Private options for appendfile]

appending

The appendfile transport [Operational details for appending]

existence test

String expansions [Expansion conditions]

extracting characteristics

String expansions [Expansion operators]

how a message is held

How Exim receives and delivers mail [Handling an incoming message]

in redirection list

The redirect router [Special items in redirection lists]

inserting into expansion

String expansions [Expansion items]

journal

How Exim receives and delivers mail [Life of a message]

locking

The appendfile transport [Private options for appendfile], The appendfile transport [Operational details for appending], The appendfile transport [Operational details for appending]

lookups

File and database lookups, String expansions [Expansion items]

mailbox; checking existing format

The appendfile transport [Private options for appendfile]

requiring for router

Generic options for routers

too many open

Main configuration [Alphabetical list of main options]

transport for system filter

Main configuration [Alphabetical list of main options]

filter
Sieve

see "Sieve filter"

enabling use of

The redirect router [Private options for the redirect router]

header lines; adding/removing

System-wide message filtering [Adding and removing headers in a system filter]

introduction

How Exim receives and delivers mail [User filters]

locking out certain features

The redirect router [Private options for the redirect router], The redirect router [Private options for the redirect router], The redirect router [Private options for the redirect router], The redirect router [Private options for the redirect router], The redirect router [Private options for the redirect router], The redirect router [Private options for the redirect router], The redirect router [Private options for the redirect router], The redirect router [Private options for the redirect router], The redirect router [Private options for the redirect router], The redirect router [Private options for the redirect router], The redirect router [Private options for the redirect router], The redirect router [Private options for the redirect router], The redirect router [Private options for the redirect router], The redirect router [Private options for the redirect router], The redirect router [Private options for the redirect router]

specifying in redirection data

The redirect router [Interpreting redirection data]

system filter

Main configuration [Alphabetical list of main options], System-wide message filtering

testing

The Exim command line [Command line options]

transport filter

String expansions [Expansion variables], String expansions [Expansion variables], Generic options for transports, The pipe transport [How the command is run], The smtp transport [Private options for smtp], SMTP processing [Outgoing SMTP and LMTP over TCP/IP]

user for processing

Generic options for routers []

filtering all mail

System-wide message filtering

final cutoff
retries, controlling

The smtp transport [Private options for smtp], Retry configuration [Long-term failures]

first delivery

String expansions [Expansion conditions]

first_delivery expansion condition

String expansions [Expansion conditions]

fixed point configuration values

The Exim runtime configuration file [Fixed point numbers]

force command

The pipe transport [Private options for pipe]

forcing delivery

The Exim command line [Command line options]

foreground delivery

The Exim command line [Command line options]

format
boolean

The Exim runtime configuration file [Boolean options]

configuration file

The Exim runtime configuration file [Configuration file format]

fixed point

The Exim runtime configuration file [Fixed point numbers]

group name

The Exim runtime configuration file [User and group names]

integer

The Exim runtime configuration file [Integer values]

list item in configuration

The Exim runtime configuration file [List construction]

message

The Exim command line [Command line options]

octal integer

The Exim runtime configuration file [Octal integer values]

of message id

How Exim receives and delivers mail [Message identification]

spool files

Format of spool files

string

The Exim runtime configuration file [String values]

time interval

The Exim runtime configuration file [Time intervals]

user name

The Exim runtime configuration file [User and group names]

forward file
broken

The redirect router [Private options for the redirect router]

one-time expansion

The redirect router [Private options for the redirect router]

ownership

The redirect router [Private options for the redirect router]

testing

The Exim command line [Command line options]

freeze in system filter

System-wide message filtering [Defer, freeze, and fail commands for system filters]

freezing messages

The Exim command line [Command line options], System-wide message filtering [Defer, freeze, and fail commands for system filters]

allowing in filter

The redirect router [Private options for the redirect router]

sending a message when freezing

Main configuration [Alphabetical list of main options]

from_utf8 expansion item

String expansions [Expansion operators]

frozen messages
display

The Exim monitor [The queue display]

forcing delivery

The Exim command line [Command line options], The Exim command line [Command line options], The Exim command line [Command line options]

forcing in ACL

Access control lists [Use of the control modifier]

in queue listing

The Exim command line [Command line options]

logging skipping

Log files [Reducing or increasing what is logged]

manual thaw; testing in filter

System-wide message filtering [Contents of a system filter]

moving

Main configuration [Alphabetical list of main options]

spool data

Format of spool files [Format of the -H file]

thawing

How Exim receives and delivers mail [Life of a message], The Exim command line [Command line options], The Exim monitor [The queue menu]

timing out

Main configuration [Alphabetical list of main options]

fsync(), disabling

Main configuration [Alphabetical list of main options]

G

GnuTLS

Encrypted SMTP connections using TLS/SSL

building Exim with

Building and installing Exim [Including TLS/SSL encryption support]

specifying parameters for

Encrypted SMTP connections using TLS/SSL [Requiring specific ciphers or other parameters in GnuTLS]

gdbm DBM library

Building and installing Exim [DBM libraries]

ge expansion condition

String expansions [Expansion conditions]

gecos field, parsing

Main configuration [Alphabetical list of main options]

gei expansion condition

String expansions [Expansion conditions]

generic options

The Exim runtime configuration file [Format of driver configurations]

router

Generic options for routers

transport

Generic options for transports

gid (group id)
Exim’s own

Main configuration [Alphabetical list of main options]

caller

String expansions [Expansion variables]

in queryprogram router

The queryprogram router

in spool file

Format of spool files [Format of the -H file]

local delivery

Generic options for routers

of originating user

String expansions [Expansion variables]

system filter

Main configuration [Alphabetical list of main options], System-wide message filtering [Specifying a system filter]

giving up on messages

The Exim command line [Command line options]

groups
additional

Generic options for routers, Generic options for transports

name format

The Exim runtime configuration file [User and group names]

trusted

Main configuration [Alphabetical list of main options]

gsasl authenticator

The gsasl authenticator

gt expansion condition

String expansions [Expansion conditions]

gti expansion condition

String expansions [Expansion conditions]

H

HELO

SMTP processing [Outgoing SMTP and LMTP over TCP/IP], Log files [Logging message reception]

ACL for

Main configuration [Alphabetical list of main options], Access control lists [Specifying when ACLs are used], Access control lists [The EHLO/HELO ACL]

accepting junk data

Main configuration [Alphabetical list of main options]

argument, setting

The smtp transport [Private options for smtp]

forcing reverse lookup

Main configuration [Alphabetical list of main options]

forcing use of

The smtp transport [Private options for smtp]

invalid data

SMTP processing [Incoming SMTP messages over TCP/IP]

underscores in

Main configuration [Alphabetical list of main options]

verifying

Access control lists [ACL conditions]

HELO verifying
mandatory

Main configuration [Alphabetical list of main options]

optional

Main configuration [Alphabetical list of main options]

HOME

The pipe transport [Environment variables]

HOST

The pipe transport [Environment variables]

HP-UX

Main configuration [Alphabetical list of main options]

HTTPS download site

Introduction [Where to find the Exim distribution]

hash function
numeric

String expansions [Expansion items], String expansions [Expansion operators]

textual

String expansions [Expansion items], String expansions [Expansion operators]

header lines
Date:

Message processing [The Date: header line]

Envelope-to:

Message processing [The Envelope-to: header line]

From:

The Exim command line [Trusted and admin users], Message processing [The From: header line]

Message-ID:

Message processing [The Message-ID: header line]

Received:

Message processing [The Received: header line]

References:

Message processing [The References: header line]

Resent-

Message processing [Resent- header lines]

Return-path:

Message processing [The Return-path: header line]

Sender:

The Exim command line [Trusted and admin users], Message processing [The Sender: header line]

added; visibility of

Access control lists [Adding header lines in ACLs]

adding

Generic options for routers

adding in an ACL

Access control lists [Adding header lines in ACLs]

adding in transport

Generic options for transports

adding; in router or transport

Message processing [Adding and removing header lines in routers and transports]

adding; in system filter

System-wide message filtering [Adding and removing headers in a system filter]

character sets

String expansions [Expansion items]

decoding

String expansions [Expansion items]

in expansion strings

String expansions [Expansion items]

listing

The Exim command line [Command line options]

maximum size of

Main configuration [Alphabetical list of main options]

position of added lines

Access control lists [Adding header lines in ACLs]

position of removed lines

Access control lists [Removing header lines in ACLs]

removed; visibility of

Access control lists [Removing header lines in ACLs]

removing

Generic options for routers, Generic options for transports

removing in an ACL

Access control lists [Removing header lines in ACLs]

removing; in router or transport

Message processing [Adding and removing header lines in routers and transports]

removing; in system filter

System-wide message filtering [Adding and removing headers in a system filter]

rewriting

The dnslookup router [Private options for dnslookup]

rewriting at transport time

Address rewriting [When does rewriting happen?]

transporting

Generic options for transports

verifying header names only ASCII

Access control lists [ACL conditions]

verifying syntax

Access control lists [ACL conditions]

verifying the sender in

Access control lists [ACL conditions]

header section
definition of

Introduction [Terminology]

maximum size of

Main configuration [Alphabetical list of main options]

headers
authentication-results:

String expansions [Expansion items]

heimdal_gssapi authenticator

The heimdal_gssapi authenticator

hex2b64 expansion item

String expansions [Expansion operators]

hexquote expansion item

String expansions [Expansion operators]

hiding configuration option values

The Exim command line [Command line options], The Exim runtime configuration file [Common option syntax]

hints database
DBM files used for

Building and installing Exim [DBM libraries]

ETRN serialization

SMTP processing [The ETRN command]

access by remote transport

Generic options for transports

callout cache

Access control lists [Callout caching]

data expiry

Main configuration [Alphabetical list of main options], Retry configuration [Timeout of retry data]

deferred deliveries

How Exim receives and delivers mail [Temporary delivery failure]

maintenance

Exim utilities [Hints database maintenance]

not overridden by -Mc

The Exim command line [Command line options]

overriding retry hints

The Exim command line [Command line options]

remembering routing

The Exim command line [Command line options], The smtp transport [Multiple messages on a single connection]

retry keys

Generic options for routers, Generic options for transports, SMTP processing [Outgoing SMTP and LMTP over TCP/IP]

serializing deliveries to a host

The smtp transport [Private options for smtp]

transport concurrency control

Generic options for transports

use for retrying

Retry configuration [Retry parameters]

hmac

String expansions [Expansion items]

home directory
for local transport

Generic options for routers [], Environment for running local transports [Current and home directories]

for router

Generic options for routers

host
ACL checking

Access control lists [ACL conditions]

alias for

Domain, host, address, and local part lists [Host list patterns that match by host name]

error

SMTP processing [Errors in outgoing SMTP]

for RFC 1413 calls

Main configuration [Alphabetical list of main options]

limiting SMTP connections from

Main configuration [Alphabetical list of main options]

list of; randomized

The manualroute router [Private options for manualroute], The smtp transport [Private options for smtp]

locally unique number for

Main configuration [Alphabetical list of main options]

lookup failures

Domain, host, address, and local part lists [Host list patterns that match by host name]

lookup failures, permanent

Domain, host, address, and local part lists [Behaviour when an IP address or name cannot be found]

lookup failures, temporary

Domain, host, address, and local part lists [Temporary DNS errors when looking up host information]

maximum number to try

The smtp transport [Private options for smtp], The smtp transport [How the limits for the number of hosts to try are used]

name in SMTP responses

Main configuration [Alphabetical list of main options]

name of local

Main configuration [Alphabetical list of main options]

not logging connections from

Main configuration [Alphabetical list of main options]

rejecting connections from

Main configuration [Alphabetical list of main options]

reserved

Main configuration [Alphabetical list of main options]

serializing connections

The smtp transport [Private options for smtp]

treated as local

Main configuration [Alphabetical list of main options]

unqualified addresses from

Main configuration [Alphabetical list of main options], Main configuration [Alphabetical list of main options]

verifying reverse lookup

Access control lists [ACL conditions]

host list
empty string in

Domain, host, address, and local part lists [Special host list patterns]

lookup of IP address

Domain, host, address, and local part lists [Host list patterns for single-key lookups by host address]

masked IP address

Domain, host, address, and local part lists [Host list patterns for single-key lookups by host address]

matching IP addresses

Domain, host, address, and local part lists [Host list patterns that match by IP address]

matching host name

Domain, host, address, and local part lists [Host list patterns that match by host name], Domain, host, address, and local part lists [Host list patterns for single-key lookups by host name]

mixing names and addresses in

Domain, host, address, and local part lists [Mixing wildcarded host names and addresses in host lists]

patterns in

Domain, host, address, and local part lists [Host lists]

regular expression in

Domain, host, address, and local part lists [Host list patterns that match by host name]

host name
lookup, failure of

String expansions [Expansion variables]

lookup, forcing

Main configuration [Alphabetical list of main options]

matched in domain list

Domain, host, address, and local part lists [Domain lists]

hosts ACL condition

Access control lists [ACL conditions]

I

IP address
binding

The smtp transport [Private options for smtp]

canonical form

String expansions [Expansion operators]

discarding

Generic options for routers

for listening

Starting the daemon and the use of network interfaces

masking

Domain, host, address, and local part lists [Host list patterns for single-key lookups by host address], String expansions [Expansion operators]

normalisation

String expansions [Expansion operators], String expansions [Expansion operators]

testing string format

String expansions [Expansion conditions]

translating

Generic options for routers []

IP source routing

Security considerations [IPv4 source routing]

IPv4
preference

The dnslookup router [Private options for dnslookup]

IPv6
DNS black lists

Access control lists [DNS lists and IPv6]

DNS lookup for AAAA records

Main configuration [Alphabetical list of main options]

address scopes

Starting the daemon and the use of network interfaces [IPv6 address scopes]

addresses in lists

The Exim runtime configuration file [Changing list separators]

disabling

Starting the daemon and the use of network interfaces [Disabling IPv6], Main configuration [Alphabetical list of main options], The dnslookup router [Private options for dnslookup]

including support for

Building and installing Exim [Including support for IPv6]

IRIX, DBM library for

Building and installing Exim [DBM libraries]

InterBase
server list

Main configuration [Alphabetical list of main options]

InterBase lookup type

File and database lookups [Query-style lookup types], File and database lookups [SQL lookups], File and database lookups [More about MySQL, PostgreSQL, Oracle, InterBase, and Redis]

i18n

Internationalisation

logging

Internationalisation [MTA operations]

utf8 address downconversion

The smtp transport [Private options for smtp], Internationalisation [MTA operations]

iconv() support

Building and installing Exim [Support for iconv()]

id of message

How Exim receives and delivers mail [Message identification]

ident

see "RFC 1413"

if, expansion item

String expansions [Expansion items]

ignoring faulty addresses

The redirect router [Private options for the redirect router]

imapfolder expansion item

String expansions [Expansion items]

included address list

The redirect router [Special items in redirection lists]

inclusions in configuration file

The Exim runtime configuration file [File inclusions in the configuration file]

incoming SMTP over TCP/IP

SMTP processing [Incoming SMTP messages over TCP/IP]

incorporated code

Incorporated code

incorrect utf-8

String expansions [Expansion operators]

inetd

The Exim command line [Command line options], The Exim command line [Command line options], Main configuration [Alphabetical list of main options], SMTP processing [Incoming SMTP messages over TCP/IP]

wait mode

The Exim command line [Command line options]

installing Exim

Building and installing Exim [Installing Exim binaries and scripts]

info documentation

Building and installing Exim [Installing info documentation]

install script options

Building and installing Exim [Installing Exim binaries and scripts]

testing the script

Building and installing Exim [Installing Exim binaries and scripts]

what is not installed

Building and installing Exim [Installing Exim binaries and scripts]

integer configuration values

The Exim runtime configuration file [Integer values]

integer format

The Exim runtime configuration file [Octal integer values]

interface
address, specifying for local message

The Exim command line [Command line options]

listening

Starting the daemon and the use of network interfaces

logging

Log files [Reducing or increasing what is logged], Log files [Reducing or increasing what is logged]

network

Starting the daemon and the use of network interfaces

intermittently connected hosts

Some common configuration settings [Intermittently connected hosts]

internationalisation

String expansions [Expansion operators]

email address

Internationalisation

ipliteral router

The ipliteral router

iplookup router

The iplookup router

iplsearch lookup type

File and database lookups [Single-key lookup types]

ipv6denorm expansion item

String expansions [Expansion operators]

ipv6norm expansion item

String expansions [Expansion operators]

isip expansion condition

String expansions [Expansion conditions]

isip4 expansion condition

String expansions [Expansion conditions]

isip6 expansion condition

String expansions [Expansion conditions]

L

LDAP
,

Main configuration [Alphabetical list of main options], Main configuration [Alphabetical list of main options]

TLS cipher suite

Main configuration [Alphabetical list of main options]

TLS client certificate file

Main configuration [Alphabetical list of main options]

TLS client key file

Main configuration [Alphabetical list of main options]

authentication

File and database lookups [LDAP authentication and control information]

connections

File and database lookups [LDAP connections]

default servers

Main configuration [Alphabetical list of main options]

including support for

Building and installing Exim [Overriding build-time options for Exim]

lookup type

File and database lookups [Query-style lookup types]

lookup, more about

File and database lookups [More about LDAP]

policy for LDAP server TLS cert presentation

Main configuration [Alphabetical list of main options]

protocol version, forcing

Main configuration [Alphabetical list of main options]

query format

File and database lookups [Format of LDAP queries]

quoting

File and database lookups [LDAP quoting]

returned data formats

File and database lookups [Format of data returned by LDAP]

timeout

File and database lookups [LDAP authentication and control information]

use for authentication

String expansions [Expansion conditions]

whether or not to negotiate TLS

Main configuration [Alphabetical list of main options]

with TLS

File and database lookups [Format of LDAP queries]

LF character

see "linefeed"

LHLO argument setting

The smtp transport [Private options for smtp]

LMTP
ignoring quota errors

The lmtp transport, The smtp transport [Private options for smtp]

logging confirmation

Log files [Reducing or increasing what is logged]

over TCP/IP

The smtp transport [Private options for smtp], SMTP processing [Outgoing SMTP and LMTP over TCP/IP]

over a pipe

The lmtp transport

over a socket

The lmtp transport

processing details

SMTP processing

LOGIN authentication mechanism

The plaintext authenticator [The LOGIN authentication mechanism]

Linux, DBM library for

Building and installing Exim [DBM libraries]

Local/Makefile

Building and installing Exim [Pre-building configuration], Building and installing Exim [Overriding build-time options for Exim]

Local/eximon.conf

Building and installing Exim [Pre-building configuration], Building and installing Exim [Overriding build-time options for the monitor], The Exim monitor

lc expansion item

String expansions [Expansion operators]

ldapauth expansion condition

String expansions [Expansion conditions]

le expansion condition

String expansions [Expansion conditions]

lei expansion condition

String expansions [Expansion conditions]

length expansion item

String expansions [Expansion items], String expansions [Expansion operators]

length of login name

Main configuration [Alphabetical list of main options]

limit
SMTP connections from one host

Main configuration [Alphabetical list of main options]

SMTP syntax and protocol errors

Main configuration [Alphabetical list of main options]

bounce message line length

Main configuration [Alphabetical list of main options]

bounce message size

Main configuration [Alphabetical list of main options]

hosts; maximum number tried

The smtp transport [How the limits for the number of hosts to try are used]

incoming SMTP connections

Main configuration [Alphabetical list of main options]

message size

Main configuration [Alphabetical list of main options]

message size per transport

Generic options for transports

messages per SMTP connection

Main configuration [Alphabetical list of main options]

non-mail SMTP commands

Main configuration [Alphabetical list of main options]

number of MX tried

The smtp transport [Private options for smtp]

number of hosts tried

The smtp transport [Private options for smtp]

number of recipients

Main configuration [Alphabetical list of main options]

on retry interval

Main configuration [Alphabetical list of main options]

open files for lookups

Main configuration [Alphabetical list of main options]

rate of message arrival

Main configuration [Alphabetical list of main options]

retry interval

Retry configuration [Retry parameters]

size of message header section

Main configuration [Alphabetical list of main options]

size of one header line

Main configuration [Alphabetical list of main options]

transport parallelism

Generic options for transports

unknown SMTP commands

Main configuration [Alphabetical list of main options]

user name length

Main configuration [Alphabetical list of main options]

limitations of Exim

Introduction [Limitations]

limiting client sending rates

Access control lists [Rate limiting incoming messages]

line endings

Message processing [Line endings]

line length
maximum

String expansions [Expansion variables]

linear search

File and database lookups [Single-key lookup types]

linefeed

The appendfile transport [Private options for appendfile], The pipe transport [Private options for pipe], Message processing [Line endings], SMTP processing [Outgoing SMTP and LMTP over TCP/IP], SMTP processing [Incoming SMTP messages over TCP/IP]

list
address list

Domain, host, address, and local part lists [Address lists]

caching of named

Domain, host, address, and local part lists [Named list caching]

count of items

String expansions [Expansion operators]

domain list

Domain, host, address, and local part lists [Domain lists]

empty item in

The Exim runtime configuration file [Empty items in lists]

extracting elements by number

String expansions [Expansion items]

filename in

Domain, host, address, and local part lists [File names in lists]

host list

Domain, host, address, and local part lists [Host lists]

item count

String expansions [Expansion operators]

iterative conditions

String expansions [Expansion conditions], String expansions [Expansion conditions]

local part list

Domain, host, address, and local part lists [Local part lists]

named

Domain, host, address, and local part lists [Named lists]

named compared with macro

Domain, host, address, and local part lists [Named lists compared with macros]

negation

Domain, host, address, and local part lists [Negated items in lists]

of header lines

String expansions [Expansion items]

reducing to a scalar

String expansions [Expansion items]

selecting by condition

String expansions [Expansion items]

sorting

String expansions [Expansion items]

syntax of in configuration

The Exim runtime configuration file [List construction]

list separator
changing

The Exim runtime configuration file [Changing list separators]

newline as

The Exim runtime configuration file [Changing list separators]

listcount expansion item

String expansions [Expansion operators]

listextract
extract list elements by number

String expansions [Expansion items]

listing
message body

The Exim command line [Command line options]

message headers

The Exim command line [Command line options]

message in RFC 2822 format

The Exim command line [Command line options]

message log

The Exim command line [Command line options]

messages in the queue

The Exim command line [Command line options]

listnamed expansion item

String expansions [Expansion operators]

lists of domains; hosts; etc.

Domain, host, address, and local part lists

lmtp transport

The lmtp transport

load average

Main configuration [Alphabetical list of main options], Main configuration [Alphabetical list of main options], Main configuration [Alphabetical list of main options]

re-evaluating per message

Main configuration [Alphabetical list of main options]

local SMTP input

The Exim command line [Command line options]

local delivery
definition of

Introduction [Terminology]

using an external agent

The pipe transport [Using an external local delivery agent]

local host
MX pointing to

Generic options for routers, The dnslookup router

domains treated as

Main configuration [Alphabetical list of main options]

name of

Main configuration [Alphabetical list of main options]

sending to

Generic options for routers [], The smtp transport [Private options for smtp]

local message reception

The Exim command line [Command line options]

local part
ACL checking

Access control lists [ACL conditions]

case of

Message processing [Case of local parts]

checking in router

Generic options for routers

definition of

Introduction [Terminology]

dots in

Message processing [Dots in local parts]

in retry keys

Generic options for routers

list

Domain, host, address, and local part lists [Local part lists]

list, in expansion condition

String expansions [Expansion conditions]

prefix

Generic options for transports, Some common configuration settings [Multiple user mailboxes]

starting with !

Domain, host, address, and local part lists [Address lists], Domain, host, address, and local part lists [Address lists]

suffix

Generic options for transports, Some common configuration settings [Multiple user mailboxes]

local transports
environment for

Environment for running local transports

uid and gid

Generic options for routers, Generic options for routers, Generic options for routers [], Environment for running local transports [Uids and gids]

local user, checking in router

Generic options for routers

local_part expansion item

String expansions [Expansion operators]

local_parts ACL condition

Access control lists [ACL conditions]

local_scan() function
API description

Adding a local scan function to Exim [API for local_scan()]

address rewriting; timing of

Address rewriting [When does rewriting happen?]

available Exim functions

Adding a local scan function to Exim [Available Exim functions]

available Exim variables

Adding a local scan function to Exim [Available Exim variables]

building Exim to use

Adding a local scan function to Exim [Building Exim to use a local scan function]

configuration options

Adding a local scan function to Exim [Configuration options for local_scan()]

description of

Adding a local scan function to Exim

memory handling

Adding a local scan function to Exim [More about Exim’s memory handling]

timeout

Main configuration [Alphabetical list of main options]

when all recipients discarded

Access control lists [ACL return codes]

lock files

Building and installing Exim [Testing], The appendfile transport [Private options for appendfile]

locking files

The appendfile transport [Private options for appendfile], The appendfile transport [Private options for appendfile], The appendfile transport [Private options for appendfile], The appendfile transport [Operational details for appending], The appendfile transport [Operational details for appending]

locking mailboxes

Exim utilities [Mailbox maintenance (exim_lock)]

log
8BITMIME

Main configuration [Alphabetical list of main options], Log files [Reducing or increasing what is logged]

DANE

Log files [Reducing or increasing what is logged]

DKIM verification

Log files [Reducing or increasing what is logged], Log files [Reducing or increasing what is logged]

DNS failure in list

Log files [Reducing or increasing what is logged]

ETRN commands

Log files [Reducing or increasing what is logged]

Exim arguments

Log files [Reducing or increasing what is logged]

SMTP connections

Log files [Reducing or increasing what is logged]

SMTP protocol error

Log files [Reducing or increasing what is logged]

SMTP syntax error

Log files [Reducing or increasing what is logged]

SMTP transaction; incomplete

Log files [Reducing or increasing what is logged]

TLS SNI

Log files [Reducing or increasing what is logged]

TLS cipher

Encrypted SMTP connections using TLS/SSL [Configuring an Exim server to use TLS], Encrypted SMTP connections using TLS/SSL [Configuring an Exim client to use TLS], Log files [Reducing or increasing what is logged]

TLS peer DN

Log files [Reducing or increasing what is logged]

certificate verification

Log files [Reducing or increasing what is logged]

connection rejections

Log files [Reducing or increasing what is logged]

cycling local files

Log files [Logging to local files that are periodically cycled], Exim utilities [Cycling log files (exicyclog)]

datestamped files

Log files [Datestamped log files]

delayed delivery

Log files [Reducing or increasing what is logged]

delivery duration

Log files [Reducing or increasing what is logged]

delivery line

Generic options for routers, Log files [Logging deliveries]

destination

Log files [Where the logs are written]

distinguished name

Encrypted SMTP connections using TLS/SSL [Requesting and verifying client certificates], Encrypted SMTP connections using TLS/SSL [Configuring an Exim client to use TLS]

dnslist defer

Log files [Reducing or increasing what is logged]

dnssec

Log files [Reducing or increasing what is logged]

dropped connection

Log files [Reducing or increasing what is logged]

extracts; grepping for

Exim utilities [Extracting specific information from the log (exigrep)]

fail command log line

System-wide message filtering [Defer, freeze, and fail commands for system filters]

file for each message

How Exim receives and delivers mail [Life of a message]

file path for

Main configuration [Alphabetical list of main options]

frozen messages; skipped

Log files [Reducing or increasing what is logged]

full parentage

Log files [Reducing or increasing what is logged]

general description

Log files

header lines for rejection

Log files [Reducing or increasing what is logged]

host lookup failure

Log files [Reducing or increasing what is logged]

ident timeout

Log files [Reducing or increasing what is logged]

incoming interface

Log files [Reducing or increasing what is logged]

incoming proxy address

Log files [Reducing or increasing what is logged]

incoming remote port

Log files [Reducing or increasing what is logged]

local address and port

Log files [Reducing or increasing what is logged], Log files [Reducing or increasing what is logged]

local files; writing to

Log files [Logging to local files that are periodically cycled]

local interface

Log files [Reducing or increasing what is logged], Log files [Reducing or increasing what is logged]

message id

Log files [Reducing or increasing what is logged]

message log; description of

Log files [Message log]

message log; disabling

Main configuration [Alphabetical list of main options]

message size on delivery

Log files [Reducing or increasing what is logged]

millisecond timestamps

Log files [Reducing or increasing what is logged]

non-MAIL SMTP sessions

Log files [Reducing or increasing what is logged]

outgoing interface

Log files [Reducing or increasing what is logged]

outgoing remote port

Log files [Reducing or increasing what is logged]

pipelining

Log files [Reducing or increasing what is logged]

process ids in

Log files, Log files [Reducing or increasing what is logged]

process log

Main configuration [Alphabetical list of main options]

protocol

Log files [Logging message reception], Internationalisation [MTA operations]

queue run

Log files [Reducing or increasing what is logged]

queue time

Log files [Reducing or increasing what is logged]

receive duration

Log files [Reducing or increasing what is logged]

reception line

Log files [Logging message reception]

recipients

Log files [Reducing or increasing what is logged]

retry defer

Log files [Reducing or increasing what is logged]

return path

Log files [Reducing or increasing what is logged]

rewriting

Log files [Reducing or increasing what is logged]

selectors

Main configuration [Alphabetical list of main options], Main configuration [Alphabetical list of main options], Log files [Reducing or increasing what is logged]

sender on delivery

Log files [Reducing or increasing what is logged]

sender reception

Log files [Reducing or increasing what is logged]

sender verify failure

Log files [Reducing or increasing what is logged]

size rejection

Log files [Reducing or increasing what is logged]

smtp confirmation

Log files [Reducing or increasing what is logged]

subject

Log files [Reducing or increasing what is logged]

summary of fields

Log files [Summary of Fields in Log Lines]

syslog; writing to

Log files [Logging to syslog]

tail of; in monitor

The Exim monitor [The log display]

timezone for entries

Main configuration [Alphabetical list of main options]

to file

Log files [Where the logs are written]

to syslog

Log files [Where the logs are written]

types of

Log files

unknown SMTP command

Log files [Reducing or increasing what is logged]

writing from embedded Perl

Embedded Perl [Calling Exim functions from Perl]

log_message ACL modifier

Access control lists [ACL modifiers]

log_reject_target ACL modifier

Access control lists [ACL modifiers]

logging
custom

Events

slow lookups

Main configuration [Alphabetical list of main options]

logging in ACL
immediate

Access control lists [ACL modifiers]

specifying which log

Access control lists [ACL modifiers]

logwrite ACL modifier

Access control lists [ACL modifiers]

lookup
* added to type

File and database lookups [Default values in single-key lookups]

*@ added to type

File and database lookups [Default values in single-key lookups]

DNS

File and database lookups [Query-style lookup types]

InterBase

File and database lookups [Query-style lookup types], File and database lookups [SQL lookups], File and database lookups [More about MySQL, PostgreSQL, Oracle, InterBase, and Redis]

LDAP

File and database lookups [Query-style lookup types], File and database lookups [More about LDAP]

MySQL

File and database lookups [Query-style lookup types], File and database lookups [SQL lookups], File and database lookups [More about MySQL, PostgreSQL, Oracle, InterBase, and Redis]

NIS

File and database lookups [Single-key lookup types]

NIS+

File and database lookups [Query-style lookup types], File and database lookups [More about NIS+]

Oracle

File and database lookups [Query-style lookup types], File and database lookups [SQL lookups], File and database lookups [More about MySQL, PostgreSQL, Oracle, InterBase, and Redis]

PostgreSQL

File and database lookups [Query-style lookup types], File and database lookups [SQL lookups], File and database lookups [More about MySQL, PostgreSQL, Oracle, InterBase, and Redis]

Redis

File and database lookups [Query-style lookup types], File and database lookups [SQL lookups], File and database lookups [More about MySQL, PostgreSQL, Oracle, InterBase, and Redis], File and database lookups [More about Redis]

SQLite

File and database lookups [More about SQLite]

caching

File and database lookups [Lookup caching]

cdb

File and database lookups [Single-key lookup types]

dbm

File and database lookups [Single-key lookup types]

dbm – embedded NULs

File and database lookups [Single-key lookup types]

dbm – terminating zero

File and database lookups [Single-key lookup types]

dbmjz

File and database lookups [Single-key lookup types]

dbmnz

File and database lookups [Single-key lookup types]

default values

File and database lookups [Default values in single-key lookups]

description of

File and database lookups

dnsdb

File and database lookups [More about dnsdb]

dsearch

File and database lookups [Single-key lookup types]

in domain list

Domain, host, address, and local part lists [Domain lists]

in expanded string

String expansions [Expansion items]

inclusion in binary

Building and installing Exim [Overriding build-time options for Exim]

iplsearch

File and database lookups [Single-key lookup types]

json

File and database lookups [Single-key lookup types]

lsearch

File and database lookups [Single-key lookup types]

lsearch – colons in keys

File and database lookups [Single-key lookup types]

maximum open files

Main configuration [Alphabetical list of main options]

nwildlsearch

File and database lookups [Single-key lookup types]

partial matching

File and database lookups [Partial matching in single-key lookups]

partial matching – changing prefix

File and database lookups [Partial matching in single-key lookups]

passwd

File and database lookups [Query-style lookup types]

query-style types

File and database lookups [Query-style lookup types]

quoting

File and database lookups [Quoting lookup data]

single-key types

File and database lookups [Single-key lookup types]

spf

File and database lookups [Single-key lookup types], DKIM, SPF and DMARC [SPF (Sender Policy Framework)]

sqlite

File and database lookups [Query-style lookup types]

temporary error in

File and database lookups [Temporary errors in lookups]

types of

File and database lookups [Lookup types]

whoson

File and database lookups [Query-style lookup types]

wildcard

File and database lookups [Default values in single-key lookups], File and database lookups [Partial matching in single-key lookups]

wildlsearch

File and database lookups [Single-key lookup types]

lookup modules

Building and installing Exim [Dynamically loaded lookup module support]

loop
caused by fail

System-wide message filtering [Defer, freeze, and fail commands for system filters]

in lookups

Domain, host, address, and local part lists [Address lists]

prevention

Main configuration [Alphabetical list of main options]

while file testing

The appendfile transport [Operational details for appending]

while routing

How Exim receives and delivers mail [Delivery in detail]

while routing, avoidance of

The redirect router [Redirecting to a local mailbox]

lower casing

String expansions [Expansion operators], Exim utilities [Making DBM files (exim_dbmbuild)]

lsearch lookup type

File and database lookups [Single-key lookup types]

lt expansion condition

String expansions [Expansion conditions]

lti expansion condition

String expansions [Expansion conditions]

M

MAIL
ACL for

Main configuration [Alphabetical list of main options], Access control lists [Specifying when ACLs are used]

SIZE option

SMTP processing [Incoming SMTP messages over TCP/IP]

logging session without

Log files [Reducing or increasing what is logged]

rewriting argument of

Address rewriting [The SMTP-time rewriting flag]

MBX format, specifying

The appendfile transport [Private options for appendfile]

MD5 hash

String expansions [Expansion operators], String expansions [Expansion conditions]

MIME content scanning

Content scanning at ACL time [Scanning MIME parts]

ACL for

Main configuration [Alphabetical list of main options], Access control lists [Specifying when ACLs are used]

returned variables

Content scanning at ACL time [Scanning MIME parts]

MMDF format mailbox

The appendfile transport [Private options for appendfile]

MX record
checking for secondary

The dnslookup router [Private options for dnslookup]

in dnsdb lookup

File and database lookups [More about dnsdb], File and database lookups [Pseudo dnsdb record types]

maximum tried

The smtp transport [Private options for smtp]

not found

The dnslookup router [Private options for dnslookup]

pointing to IP address

Main configuration [Alphabetical list of main options]

pointing to local host

Generic options for routers, The dnslookup router

required to exist

The dnslookup router [Private options for dnslookup]

security

Generic options for routers, Generic options for routers, The smtp transport [Private options for smtp], The smtp transport [Private options for smtp]

Message-ID: header line

Main configuration [Alphabetical list of main options], Message processing [The Message-ID: header line]

Microsoft Secure Password Authentication

Incorporated code, The spa authenticator

MySQL
lookup type

File and database lookups [Query-style lookup types], File and database lookups [SQL lookups], File and database lookups [More about MySQL, PostgreSQL, Oracle, InterBase, and Redis]

server list

Main configuration [Alphabetical list of main options]

macro
compared with named list

Domain, host, address, and local part lists [Named lists compared with macros]

description of

The Exim runtime configuration file [Macros in the configuration file]

setting on command line

The Exim command line [Command line options]

mail hub example

The manualroute router [Manualroute examples]

mail loop prevention

Main configuration [Alphabetical list of main options]

mailbox
MMDF format

The appendfile transport [Private options for appendfile]

locking, blocking and non-blocking

The appendfile transport [Private options for appendfile]

maintenance

Exim utilities [Mailbox maintenance (exim_lock)]

multiple

Generic options for routers, Some common configuration settings [Multiple user mailboxes]

size warning

The appendfile transport [Private options for appendfile]

specifying size of

The appendfile transport [Private options for appendfile], The appendfile transport [Private options for appendfile]

symbolic link

The appendfile transport [Private options for appendfile], The appendfile transport [Operational details for appending]

time of last read

Retry configuration [Retry rules for specific errors]

maildir format

The appendfile transport [Operational details for delivery to a new file]

description of

The appendfile transport [Maildir delivery]

maildirfolder file

The appendfile transport [Private options for appendfile]

maildirsize file

The appendfile transport [Private options for appendfile], The appendfile transport [Using a maildirsize file]

quota; directories included in

The appendfile transport [Private options for appendfile]

specifying

The appendfile transport [Private options for appendfile]

time of last read

Retry configuration [Retry rules for specific errors]

maildir++

The appendfile transport [Maildir delivery]

maildirfolder, creating

The appendfile transport [Private options for appendfile]

mailing lists

Some common configuration settings [Using Exim to handle mailing lists]

closed

Some common configuration settings [Closed mailing lists]

for Exim users

Introduction [Mailing lists]

one-time expansion

The redirect router [Private options for the redirect router]

re-expansion of

Some common configuration settings [Re-expansion of mailing lists]

syntax errors in

Some common configuration settings [Syntax errors in mailing lists]

mailq

The Exim command line [Setting options by program name]

mailstore format

The appendfile transport [Operational details for delivery to a new file]

description of

The appendfile transport [Mailstore delivery]

specifying

The appendfile transport [Private options for appendfile]

main configuration

Main configuration

main log

Log files

maintaining Exim’s hints database

Exim utilities [Hints database maintenance]

malware ACL condition

Access control lists [ACL conditions]

malware scan test

The Exim command line [Command line options]

manualroute router

The manualroute router

mask expansion item

String expansions [Expansion operators]

masked IP address

String expansions [Expansion operators]

match expansion condition

String expansions [Expansion conditions]

match_address expansion condition

String expansions [Expansion conditions]

match_domain expansion condition

String expansions [Expansion conditions]

match_ip expansion condition

String expansions [Expansion conditions]

match_local_part expansion condition

String expansions [Expansion conditions]

maximum

see also "limit"

line length

String expansions [Expansion variables]

md5 expansion item

String expansions [Expansion operators]

memory
debugging

Main configuration [Alphabetical list of main options]

message
abandoning delivery attempts

The Exim command line [Command line options]

adding recipients

The Exim command line [Command line options]

age of

String expansions [Expansion variables]

changing sender

The Exim command line [Command line options]

controlling incoming

Access control lists

copying every

Some common configuration settings [Taking copies of mail]

discarded

Log files [Discarded deliveries]

error

SMTP processing [Errors in outgoing SMTP]

forced failure

System-wide message filtering [Defer, freeze, and fail commands for system filters]

format

The Exim command line [Command line options]

freezing

System-wide message filtering [Defer, freeze, and fail commands for system filters]

frozen

How Exim receives and delivers mail [Life of a message]

general processing

Message processing

header, definition of

Introduction [Terminology]

life of

How Exim receives and delivers mail [Life of a message]

listing body of

The Exim command line [Command line options]

listing header lines

The Exim command line [Command line options]

listing in RFC 2822 format

The Exim command line [Command line options]

listing message log

The Exim command line [Command line options]

log file for

How Exim receives and delivers mail [Life of a message], Log files [Message log]

manually discarding

The Exim command line [Command line options]

manually freezing

The Exim command line [Command line options]

queueing by SMTP connection count

Main configuration [Alphabetical list of main options]

queueing by file existence

Main configuration [Alphabetical list of main options]

queueing by load

Main configuration [Alphabetical list of main options]

queueing by message count

Main configuration [Alphabetical list of main options]

queueing certain domains

Main configuration [Alphabetical list of main options]

queueing remote deliveries

Main configuration [Alphabetical list of main options]

queueing unconditionally

Main configuration [Alphabetical list of main options]

reception

How Exim receives and delivers mail [Receiving mail]

size

String expansions [Expansion variables]

size in queue listing

The Exim command line [Command line options]

size issue for transport filter

The smtp transport [Private options for smtp]

size limit

Main configuration [Alphabetical list of main options]

submission

Access control lists [Use of the control modifier], Message processing [Submission mode for non-local messages], Message processing [The From: header line], Message processing [The Message-ID: header line], Message processing [The Sender: header line]

submission, ports for

The default configuration file [Main configuration settings]

thawing frozen

How Exim receives and delivers mail [Life of a message], The Exim command line [Command line options]

transporting body only

Generic options for transports

transporting headers only

Generic options for transports

message ACL modifier

Access control lists [ACL modifiers]

with accept

Access control lists [ACL verbs]

message body
binary zero count

String expansions [Expansion variables]

in expansion

String expansions [Expansion variables], String expansions [Expansion variables]

line count

String expansions [Expansion variables]

newlines in variables

Main configuration [Alphabetical list of main options]

size

String expansions [Expansion variables]

visible size

Main configuration [Alphabetical list of main options]

message ids
details of format

How Exim receives and delivers mail [Message identification]

with multiple hosts

Main configuration [Alphabetical list of main options]

message logs
disabling

Main configuration [Alphabetical list of main options]

preserving

Main configuration [Alphabetical list of main options]

message reference
message reference, specifying for local message

The Exim command line [Command line options]

message sender, constructed by Exim

How Exim receives and delivers mail [Receiving mail]

millisecond
logging

Log files [Reducing or increasing what is logged]

mime_regex ACL condition

Access control lists [ACL conditions]

mixed-case login names

Message processing [Case of local parts]

modifiers
dnsdb

File and database lookups [Dnsdb lookup modifiers]

monitor

see "Exim monitor"

msglog directory

Log files [Message log]

multiline responses, suppressing

Access control lists [Use of the control modifier]

multiple SMTP deliveries

The Exim command line [Command line options], The Exim command line [Command line options], The Exim command line [Command line options], The Exim command line [Command line options], The smtp transport [Private options for smtp], The smtp transport [Private options for smtp], The smtp transport [Private options for smtp], Some common configuration settings [Exim on the intermittently connected client host]

multiple SMTP deliveries with TLS

Encrypted SMTP connections using TLS/SSL [Multiple messages on the same encrypted TCP/IP connection]

multiple mailboxes

Generic options for routers, Some common configuration settings [Multiple user mailboxes]

multiple spool directories

Main configuration [Alphabetical list of main options]

N

NFS

Generic options for routers

checking for file existence

The redirect router [Private options for the redirect router]

lock file

The appendfile transport [Private options for appendfile], The appendfile transport [Private options for appendfile], The appendfile transport [Operational details for appending]

NIS lookup type

File and database lookups [Single-key lookup types]

including support for

Building and installing Exim [Overriding build-time options for Exim]

NIS+ lookup type

File and database lookups [Query-style lookup types], File and database lookups [More about NIS+]

including support for

Building and installing Exim [Overriding build-time options for Exim]

NIS, retrying user lookups

Main configuration [Alphabetical list of main options]

NTLM authentication

The spa authenticator

NUL

see "binary zero"

Nagle algorithm

Main configuration [Alphabetical list of main options]

name
of local host

Main configuration [Alphabetical list of main options]

of router

String expansions [Expansion variables]

of sender

The Exim command line [Command line options]

of transport

String expansions [Expansion variables]

name server for enclosing domain

File and database lookups [Pseudo dnsdb record types]

named lists

Domain, host, address, and local part lists [Named lists]

named pipe (fifo)

The appendfile transport [Private options for appendfile]

named queues

The Exim command line [Command line options], The Exim command line [Command line options], String expansions [Expansion variables], Main configuration [Alphabetical list of main options]

selecting in ACL

Access control lists [ACL modifiers]

ndbm DBM library

Building and installing Exim [DBM libraries]

negation
in expansion condition

String expansions [Expansion conditions]

in lists

Domain, host, address, and local part lists [Negated items in lists]

network interface

Starting the daemon and the use of network interfaces

new drivers, adding

Adding new drivers or lookup types

newaliases

The Exim command line [Setting options by program name]

newline
as list separator

The Exim runtime configuration file [Changing list separators]

in message body variables

Main configuration [Alphabetical list of main options]

no_xxx

see "entry for xxx"

non-SMTP messages
ACLs for

Main configuration [Alphabetical list of main options], Main configuration [Alphabetical list of main options], Access control lists [Specifying when ACLs are used], Access control lists [The non-SMTP ACLs]

non-immediate delivery

The Exim command line [Command line options]

not-QUIT, ACL for

Main configuration [Alphabetical list of main options]

number of deliveries

Main configuration [Alphabetical list of main options]

numeric comparison

String expansions [Expansion conditions]

numerical variables ($1 $2 etc)
in manualroute router

The manualroute router [Format of the list of hosts]

numerical variables ($1 $2 etc)

String expansions [Expansion variables]

in From line handling

Message processing [The UUCP From line]

in cram_md5 authenticator

The cram_md5 authenticator [Using cram_md5 as a server]

in errors_copy

Main configuration [Alphabetical list of main options]

in external authenticator

The external authenticator [Using external in a server]

in gecos_name

Main configuration [Alphabetical list of main options]

in if expansion

String expansions [Expansion conditions]

in lookup expansion

String expansions [Expansion items]

in plaintext authenticator

The plaintext authenticator [Using plaintext in a server]

in rewriting rules

Address rewriting [Rewriting patterns]

in spa authenticator

The spa authenticator [Using spa as a server]

nwildlsearch lookup type

File and database lookups [Single-key lookup types]

O

OCSP
stapling

Encrypted SMTP connections using TLS/SSL [Revoked certificates]

OpenDMARC

Incorporated code

OpenSSL

Encrypted SMTP connections using TLS/SSL

building Exim with

Building and installing Exim [Including TLS/SSL encryption support]

OpenSSL
compatibility

Main configuration [Alphabetical list of main options]

Oracle
lookup type

File and database lookups [Query-style lookup types], File and database lookups [SQL lookups], File and database lookups [More about MySQL, PostgreSQL, Oracle, InterBase, and Redis]

server list

Main configuration [Alphabetical list of main options]

one-time aliasing/forwarding expansion

The redirect router [Private options for the redirect router]

open files, too many

Main configuration [Alphabetical list of main options]

opendmarc
acknowledgment

Incorporated code

options
appendfile transport

The appendfile transport [Private options for appendfile]

authenticator – extracting

The Exim command line [Command line options]

autoreply transport

The autoreply transport [Private options for autoreply]

command line

The Exim command line

command line; terminating

The Exim command line [Command line options]

configuration – extracting

The Exim command line [Command line options]

cram_md5 authenticator (client)

The cram_md5 authenticator [Using cram_md5 as a client]

cram_md5 authenticator (server)

The cram_md5 authenticator [Using cram_md5 as a server]

dnsdb

File and database lookups [Dnsdb lookup modifiers]

dnslookup router

The dnslookup router [Private options for dnslookup]

external authenticator (client)

The external authenticator [Using external in a client]

external authenticator (server)

The external authenticator [External options]

generic – definition of

The Exim runtime configuration file [Format of driver configurations]

generic; for authenticators

SMTP authentication [Generic options for authenticators]

generic; for routers

Generic options for routers

generic; for transports

Generic options for transports

hiding name of

The Exim command line [Command line options]

hiding value of

The Exim command line [Command line options], The Exim runtime configuration file [Common option syntax]

iplookup router

The iplookup router

lmtp transport

The lmtp transport

macro – extracting

The Exim command line [Command line options]

manualroute router

The manualroute router [Private options for manualroute]

pipe transport

The pipe transport [Private options for pipe]

plaintext authenticator (client)

The plaintext authenticator [Using plaintext in a client]

plaintext authenticator (server)

The plaintext authenticator [Plaintext server options]

queryprogram router

The queryprogram router

redirect router

The redirect router [Private options for the redirect router]

router – extracting

The Exim command line [Command line options]

smtp transport

The smtp transport [Private options for smtp]

spa authenticator (client)

The spa authenticator [Using spa as a client]

spa authenticator (server)

The spa authenticator [Using spa as a server]

tls authenticator (server)

The tls authenticator

transport – extracting

The Exim command line [Command line options]

or expansion condition

String expansions [Combining expansion conditions]

os.h

Building and installing Exim [OS-specific header files]

outgoing LMTP over TCP/IP

SMTP processing [Outgoing SMTP and LMTP over TCP/IP]

outgoing SMTP over TCP/IP

SMTP processing [Outgoing SMTP and LMTP over TCP/IP]

ownership
alias file

The redirect router [Private options for the redirect router]

configuration file

The Exim runtime configuration file

forward file

The redirect router [Private options for the redirect router]

P

PAM authentication

String expansions [Expansion conditions]

PCRE

Incorporated code, Regular expressions

security

Security considerations [Trust in configuration data]

PCRE library

Building and installing Exim [PCRE library]

PIPELINING
avoiding the use of

The smtp transport [Private options for smtp], The smtp transport [Private options for smtp]

expected errors

Main configuration [Alphabetical list of main options]

suppressing advertising

Main configuration [Alphabetical list of main options], Access control lists [Use of the control modifier]

PLAIN authentication mechanism

The plaintext authenticator [The PLAIN authentication mechanism]

PRDR
ACL for

Main configuration [Alphabetical list of main options], Access control lists [Specifying when ACLs are used], Access control lists [The SMTP PRDR ACL]

enabling on server

Main configuration [Alphabetical list of main options]

enabling, optional in client

The smtp transport [Private options for smtp]

use for per-user SpamAssassin profiles

Content scanning at ACL time [Calling SpamAssassin from an Exim ACL]

variable for

String expansions [Expansion variables], Access control lists [The SMTP PRDR ACL]

PTR record
in dnsdb lookup

File and database lookups [More about dnsdb]

Perl

Main configuration [Alphabetical list of main options], Main configuration [Alphabetical list of main options], Main configuration [Alphabetical list of main options]

calling from Exim

Embedded Perl

including support for

Building and installing Exim [Overriding build-time options for Exim]

standard output and error

Embedded Perl [Use of standard output and error by Perl]

starting the interpreter

The Exim command line [Command line options], The Exim command line [Command line options]

taintmode

Embedded Perl [Setting up so Perl can be used]

use in expanded string

String expansions [Expansion items]

use of warn

Embedded Perl [Use of standard output and error by Perl]

PostgreSQL lookup type

File and database lookups [Query-style lookup types], File and database lookups [SQL lookups], File and database lookups [More about MySQL, PostgreSQL, Oracle, InterBase, and Redis]

server list

Main configuration [Alphabetical list of main options]

Proxy protocol
proxy

Proxies [Inbound proxies]

packet radio

Generic options for routers []

pam expansion condition

String expansions [Expansion conditions]

panic log

Log files

partial matching

File and database lookups [Partial matching in single-key lookups]

pass_unscanned
avast

Content scanning at ACL time [Scanning for viruses]

passwd file

see "/etc/passwd"

passwd lookup type

File and database lookups [Query-style lookup types]

percent hack

Main configuration [Alphabetical list of main options], Access control lists [Using an ACL to control relaying]

periodic queue running

The Exim command line [Command line options]

pid (process id)
in log lines

Log files, Log files [Reducing or increasing what is logged]

of current process

String expansions [Expansion variables]

of daemon

The Exim command line [Command line options], The Exim command line [Command line options], The Exim command line [Command line options]

re-use of

How Exim receives and delivers mail [Message identification]

pid file, path for

Main configuration [Alphabetical list of main options]

pipe
duplicated

The redirect router [Duplicate addresses]

in redirection list

The redirect router [Special items in redirection lists]

named (fifo)

The appendfile transport [Private options for appendfile]

pipe transport

The pipe transport

,

The pipe transport [Private options for pipe], The pipe transport [Private options for pipe]

environment for command

The pipe transport [Environment variables], The pipe transport [Private options for pipe]

failure of exec

The pipe transport [Private options for pipe]

for system filter

Main configuration [Alphabetical list of main options]

logging output

The pipe transport [Private options for pipe]

path for command

The pipe transport [How the command is run]

permitted commands

The pipe transport [Private options for pipe]

returned data

The pipe transport [Returned status and data]

temporary failure

The pipe transport [Private options for pipe]

uid for

Environment for running local transports [Uids and gids]

with multiple addresses

Address batching in local transports

pipelining
PIPE_CONNECT

Main configuration [Alphabetical list of main options], The smtp transport [Private options for smtp]

early connection

Main configuration [Alphabetical list of main options], The smtp transport [Private options for smtp], Log files [Reducing or increasing what is logged]

logging outgoing

Log files [Reducing or increasing what is logged]

pkg-config
GnuTLS

Building and installing Exim [Including TLS/SSL encryption support]

OpenSSL

Building and installing Exim [Including TLS/SSL encryption support]

authenticators

Building and installing Exim [Overriding build-time options for Exim]

lookups

Building and installing Exim [Overriding build-time options for Exim]

plaintext authenticator

The plaintext authenticator

policy control
access control lists

Access control lists

address verification

Access control lists [Address verification]

by local scan function

Adding a local scan function to Exim

checking access

Exim utilities [Checking access policy (exim_checkaccess)]

overview

How Exim receives and delivers mail [Policy control]

rejection, returning details

Main configuration [Alphabetical list of main options]

relay control

Access control lists [Using an ACL to control relaying]

testing

The Exim command line [Command line options]

port
465 and 587

The default configuration file [Main configuration settings]

for daemon

Main configuration [Alphabetical list of main options]

for message submission

The default configuration file [Main configuration settings]

iplookup router

The iplookup router

logging outgoing remote

Log files [Reducing or increasing what is logged]

logging remote

Log files [Reducing or increasing what is logged]

receiving TCP/IP

The Exim command line [Command line options]

sending TCP/IP

The smtp transport [Private options for smtp]

preconditions
checking

How Exim receives and delivers mail [Running an individual router]

definition of

How Exim receives and delivers mail [Processing an address for delivery]

order of processing

How Exim receives and delivers mail [Router preconditions]

prefix
for local part, including in envelope

Generic options for transports

for local part, used in router

Generic options for routers

for partial matching

File and database lookups [Partial matching in single-key lookups]

preserving domain in redirection

The redirect router [Private options for the redirect router]

primary host name

Domain, host, address, and local part lists [Domain lists]

printing characters

Main configuration [Alphabetical list of main options]

private options

The Exim runtime configuration file [Format of driver configurations]

privilege, running without

Security considerations [Running Exim without privilege]

privileged user

Security considerations [Privileged users]

process id

see "pid"

process log path

Main configuration [Alphabetical list of main options]

process, querying

Exim utilities [Finding out what Exim processes are doing (exiwhat)]

procmail

The pipe transport [Using an external local delivery agent]

protocol, specifying for local message

The Exim command line [Command line options]

proxy
Proxy protocol

Proxies [Inbound proxies]

SOCKS

The smtp transport [Private options for smtp], Proxies [Outbound proxies]

access via

Proxies

authentication

Proxies [Outbound proxies]

client side

Proxies [Outbound proxies]

inbound

Proxies [Inbound proxies]

logging proxy address

Log files [Reducing or increasing what is logged]

outbound

Proxies [Outbound proxies]

proxy protocol

Main configuration [Alphabetical list of main options]

server side

Proxies [Inbound proxies]

proxy support

Proxies

prvs expansion item

String expansions [Expansion items]

prvscheck expansion item

String expansions [Expansion items]

public key for signed distribution

Introduction [Where to find the Exim distribution]

pwauthd daemon

Incorporated code

pwcheck daemon

Incorporated code, String expansions [Expansion conditions]

pwcheck expansion condition

String expansions [Expansion conditions]

Q

QUIT, ACL for

Main configuration [Alphabetical list of main options], Access control lists [Specifying when ACLs are used], Access control lists [The QUIT ACL]

query-style lookup
definition of

File and database lookups [Lookup types]

list of types

File and database lookups [Query-style lookup types]

querying exim information

The Exim command line [Command line options]

queryprogram router

The queryprogram router

queue
count of messages on

The Exim command line [Command line options]

definition of

Introduction [Terminology]

delay warning

Main configuration [Alphabetical list of main options]

delivering specific messages

The Exim command line [Command line options]

display in monitor

The Exim monitor [The queue display]

double scanning

The Exim command line [Command line options]

forcing delivery

The Exim command line [Command line options]

grepping

Exim utilities [Selective queue listing (exiqgrep)]

initial delivery

The Exim command line [Command line options]

listing messages in

The Exim command line [Command line options]

local deliveries only

The Exim command line [Command line options]

menu in monitor

The Exim monitor [The queue menu]

moving messages

The Exim command line [Command line options]

named

The Exim command line [Command line options], The Exim command line [Command line options]

routing

The Exim command line [Command line options]

summary

Exim utilities [Summarizing the queue (exiqsumm)]

queue ACL modifier

Access control lists [ACL modifiers]

queue runner

How Exim receives and delivers mail [Delivery in detail], How Exim receives and delivers mail [Retry mechanism], The Exim command line [Setting options by program name], The Exim command line [Command line options]

abandoning

Main configuration [Alphabetical list of main options]

definition of

Introduction [Terminology]

description of operation

The Exim command line [Command line options]

detecting when delivering from

String expansions [Expansion conditions]

for specific recipients

The Exim command line [Command line options]

for specific senders

The Exim command line [Command line options]

logging

Log files [Reducing or increasing what is logged]

maximum number of

Main configuration [Alphabetical list of main options]

processing messages in order

Main configuration [Alphabetical list of main options]

starting manually

The Exim command line [Command line options]

starting periodically

The Exim command line [Command line options]

queue_running expansion condition

String expansions [Expansion conditions]

queueing incoming messages

The Exim command line [Command line options], Main configuration [Alphabetical list of main options], Main configuration [Alphabetical list of main options], Main configuration [Alphabetical list of main options], Main configuration [Alphabetical list of main options], Main configuration [Alphabetical list of main options], Main configuration [Alphabetical list of main options], Main configuration [Alphabetical list of main options], Main configuration [Alphabetical list of main options], Access control lists [Use of the control modifier]

queues
named

String expansions [Expansion variables], Main configuration [Alphabetical list of main options]

quota
error testing in retry rule

Retry configuration [Retry rules for specific errors]

imposed by Exim

The appendfile transport [Private options for appendfile]

in maildir delivery

The appendfile transport [Maildir delivery], The appendfile transport [Using a maildirsize file]

maildir; directories included in

The appendfile transport [Private options for appendfile]

system

The appendfile transport

warning threshold

The appendfile transport [Private options for appendfile]

quote expansion item

String expansions [Expansion operators]

quote_local_part expansion item

String expansions [Expansion operators]

quoting
hex-encoded unprintable characters

String expansions [Expansion operators]

in lookups

File and database lookups [Quoting lookup data]

in pipe command

The pipe transport [How the command is run]

in regular expressions

String expansions [Expansion operators]

in string expansions

String expansions [Expansion operators]

lookup-specific

String expansions [Expansion operators]

R

RBL

see "DNS list"

RCPT
ACL for

The default configuration file [ACL configuration], Main configuration [Alphabetical list of main options], Access control lists [Specifying when ACLs are used]

maximum number of incoming

Main configuration [Alphabetical list of main options]

maximum number of outgoing

The smtp transport [Private options for smtp]

rate limiting

Main configuration [Alphabetical list of main options]

rewriting argument of

Address rewriting [The SMTP-time rewriting flag]

value of $message_size

String expansions [Expansion variables]

RFC 1413

The Exim command line [Command line options], Main configuration [Alphabetical list of main options]

logging timeout

Log files [Reducing or increasing what is logged]

query timeout

Main configuration [Alphabetical list of main options]

RFC 2047

Building and installing Exim [Support for iconv()], Address rewriting [Flags controlling the rewriting process], Content scanning at ACL time [Scanning MIME parts], Adding a local scan function to Exim [Available Exim functions], Message processing [Constructed addresses]

binary zero in

Adding a local scan function to Exim [Available Exim functions]

decoding

String expansions [Expansion operators]

disabling length check

Main configuration [Alphabetical list of main options]

expansion operator

String expansions [Expansion operators]

RFC 3030
CHUNKING

Main configuration [Alphabetical list of main options], The smtp transport [Private options for smtp], Access control lists [The DATA ACLs]

RFC 7413
TCP Fast Open

The smtp transport [Private options for smtp]

Radius

String expansions [Expansion conditions]

Received: header line

Message processing [The Received: header line]

counting

Main configuration [Alphabetical list of main options]

customizing

Main configuration [Alphabetical list of main options]

Redis lookup type

File and database lookups [Query-style lookup types], File and database lookups [SQL lookups], File and database lookups [More about MySQL, PostgreSQL, Oracle, InterBase, and Redis]

References: header line

Message processing [The References: header line]

Resent- header lines

Message processing [Resent- header lines]

with -t

The Exim command line [Command line options]

Return-path: header line

Generic options for transports, Message processing [The Return-path: header line]

removing

Main configuration [Alphabetical list of main options]

Rspamd

Content scanning at ACL time [Scanning with SpamAssassin and Rspamd]

radius expansion condition

String expansions [Expansion conditions]

random number

String expansions [Expansion operators]

randomized host list

The manualroute router [Private options for manualroute], The smtp transport [Private options for smtp]

rate limiting

Access control lists [ACL conditions]

client sending

Access control lists [Rate limiting incoming messages]

counting unique events

Access control lists [Limiting the rate of different events]

per_* options

Access control lists [Ratelimit options for what is being measured]

reading data without updating

Access control lists [Ratelimit update modes]

strict and leaky modes

Access control lists [Ratelimit options for handling fast clients]

readfile expansion item

String expansions [Expansion items]

readsocket expansion item

String expansions [Expansion items]

receiving mail

How Exim receives and delivers mail [Receiving mail]

recipient
ACL checking

Access control lists [ACL conditions]

adding

The Exim command line [Command line options]

adding in local scan

Adding a local scan function to Exim [Available Exim variables]

error

SMTP processing [Errors in outgoing SMTP]

extracting from header lines

The Exim command line [Command line options]

maximum number

Main configuration [Alphabetical list of main options]

removing

The Exim command line [Command line options]

removing in local scan

Adding a local scan function to Exim [Available Exim variables]

verifying

Access control lists [ACL conditions]

recipients ACL condition

Access control lists [ACL conditions]

redirect router

The redirect router

redirection

see "address redirection"

redis lookup type

File and database lookups [More about Redis]

regex ACL condition

Access control lists [ACL conditions]

regex submatch variables ($1regex $2regex etc)

String expansions [Expansion variables]

regular expressions
content scanning with

Content scanning at ACL time [Scanning with regular expressions]

in address list

Domain, host, address, and local part lists [Address lists]

in domain list

Domain, host, address, and local part lists [Domain lists]

in host list

Domain, host, address, and local part lists [Host list patterns that match by host name]

in retry rules

Retry configuration [Format of retry rules]

library

Incorporated code, Regular expressions

match in expanded string

String expansions [Expansion conditions]

quoting

String expansions [Expansion operators]

security

Security considerations [Trust in configuration data]

reject log

Log files

disabling

Main configuration [Alphabetical list of main options]

rejection, fake

Access control lists [Use of the control modifier]

relaying
checking control of

Access control lists [Checking a relay configuration]

control by ACL

Access control lists [Using an ACL to control relaying]

testing configuration

The Exim command line [Command line options]

reload
configuration

The Exim command line [Command line options]

remote delivery, definition of

Introduction [Terminology]

remove_header ACL modifier

Access control lists [Removing header lines in ACLs]

removing messages

The Exim command line [Command line options]

removing recipients

The Exim command line [Command line options]

repeated redirection expansion

The redirect router [Repeated redirection expansion]

replacing another MTA

Building and installing Exim [Replacing another MTA with Exim]

reporting bugs

Introduction [Bug reports]

require ACL verb

Access control lists [ACL verbs]

resolver, debugging output

The Exim command line [Command line options]

restart
on HUP signal

Building and installing Exim [Upgrading Exim], The Exim command line [Command line options]

restricting access to features

Main configuration [Alphabetical list of main options], Main configuration [Alphabetical list of main options], Main configuration [Alphabetical list of main options], The redirect router [Private options for the redirect router], The redirect router [Private options for the redirect router], The redirect router [Private options for the redirect router], The redirect router [Private options for the redirect router], The redirect router [Private options for the redirect router], The redirect router [Private options for the redirect router], The redirect router [Private options for the redirect router], The redirect router [Private options for the redirect router], The redirect router [Private options for the redirect router], The redirect router [Private options for the redirect router], The redirect router [Private options for the redirect router], The redirect router [Private options for the redirect router], The redirect router [Private options for the redirect router], The redirect router [Private options for the redirect router], The redirect router [Private options for the redirect router]

retry
after long-term failure

Retry configuration [Long-term failures]

algorithms

Retry configuration [Retry parameters]

configuration testing

The Exim command line [Command line options]

configuration, description of

Retry configuration

default rule

The default configuration file [Default retry rule]

description of mechanism

How Exim receives and delivers mail [Retry mechanism]

final cutoff

The smtp transport [Private options for smtp], Retry configuration [Long-term failures]

fixed intervals

Retry configuration [Retry parameters]

increasing intervals

Retry configuration [Retry parameters]

intermittently working deliveries

Retry configuration [Deliveries that work intermittently]

interval, maximum

Retry configuration [Retry parameters]

limit on interval

Main configuration [Alphabetical list of main options]

parameters in rules

Retry configuration [Retry parameters]

quota error testing

Retry configuration [Retry rules for specific errors]

random intervals

Retry configuration [Retry parameters]

rules

Retry configuration [Format of retry rules]

rules; sender-specific

Retry configuration [Retry rules for specified senders]

specific errors; specifying

Retry configuration [Retry rules for specific errors]

time not reached

Retry configuration, Log files [Other log entries]

timeout of data

Retry configuration [Timeout of retry data]

times

Exim utilities [Finding individual retry times (exinext)]

return code
for -bS

The Exim command line [Command line options]

for -bm

The Exim command line [Command line options]

for -bt

The Exim command line [Command line options]

for -bv

The Exim command line [Command line options]

for -oee

The Exim command line [Command line options]

for -oem

The Exim command line [Command line options]

for -oep

The Exim command line [Command line options]

for bad configuration

The Exim runtime configuration file

from run expansion

String expansions [Expansion items], String expansions [Expansion variables]

return path

see also "envelope sender"

changing in transport

Generic options for transports

created from Sender:

Message processing [The Sender: header line]

definition of

Introduction [Terminology]

in submission mode

Message processing [Submission mode for non-local messages]

reverse DNS lookup

String expansions [Expansion variables], Main configuration [Alphabetical list of main options], Format of spool files [Format of the -H file]

revocation list

Encrypted SMTP connections using TLS/SSL [Revoked certificates]

rewriting
addresses

How Exim receives and delivers mail [Handling an incoming message], Address rewriting, Message processing [Rewriting addresses]

at transport time

Generic options for transports, Address rewriting [When does rewriting happen?]

bang paths

Address rewriting [Rewriting examples]

flags

Address rewriting [Flags specifying which headers and envelope addresses to rewrite]

header lines

The dnslookup router [Private options for dnslookup]

logging

Log files [Reducing or increasing what is logged]

patterns

Address rewriting [Rewriting patterns]

replacements

Address rewriting [Rewriting replacements]

rules

Address rewriting [Rewriting rules]

testing

The Exim command line [Command line options], Address rewriting [Testing the rewriting rules that apply on input]

timing of

Address rewriting [When does rewriting happen?]

whole addresses

Address rewriting [Flags controlling the rewriting process]

rfc2047 expansion item

String expansions [Expansion operators]

rfc2047d expansion item

String expansions [Expansion operators]

rmail

The Exim command line [Setting options by program name]

root privilege

Security considerations [Root privilege]

running without

Security considerations [Running Exim without privilege]

router
IP address translation

Generic options for routers []

adding header lines

Generic options for routers

carrying on after success

Generic options for routers []

case of local parts

Generic options for routers

changing address for errors

Generic options for routers

checking for local user

Generic options for routers

checking senders

Generic options for routers []

customized precondition

Generic options for routers

customizing cannot route message

Generic options for routers

data attached to address

Generic options for routers

definition of

How Exim receives and delivers mail [Processing an address for delivery]

discarding IP addresses

Generic options for routers

fallback hosts

Generic options for routers

for verification

How Exim receives and delivers mail [Processing an address for verification]

forcing verification failure

Generic options for routers

go to after pass

Generic options for routers

home directory for

Generic options for routers

name

String expansions [Expansion variables]

preconditions, order of processing

How Exim receives and delivers mail [Router preconditions]

prefix for local part

Generic options for routers

removing header lines

Generic options for routers

requiring file existence

Generic options for routers

restricting to specific domains

Generic options for routers

restricting to specific local parts

Generic options for routers

result of running

How Exim receives and delivers mail [Running an individual router]

running details

How Exim receives and delivers mail [Running an individual router]

setting group

Generic options for routers

skipping for EXPN

Generic options for routers

skipping when address testing

Generic options for routers

start at after redirection

Generic options for routers

suffix for local part

Generic options for routers

timeout

Generic options for routers

used only when verifying

Generic options for routers []

user for filter processing

Generic options for routers []

variables

String expansions [Expansion variables], Generic options for routers []

routers
accept

The accept router

default

The default configuration file [Router configuration]

dnslookup

The dnslookup router

ipliteral

The ipliteral router

iplookup

The iplookup router

manualroute

The manualroute router

queryprogram

The queryprogram router

redirect

The redirect router

routing
by external program

The queryprogram router

loops in

How Exim receives and delivers mail [Delivery in detail], The redirect router [Redirecting to a local mailbox]

whole queue before delivery

The Exim command line [Command line options]

rsmtp

The Exim command line [Setting options by program name]

run expansion item

String expansions [Expansion items]

runq

The Exim command line [Setting options by program name]

runtime configuration

The Exim runtime configuration file

rxquote expansion item

String expansions [Expansion operators]

S

SHA-1 hash

String expansions [Expansion operators], String expansions [Expansion conditions]

SHA-2 hash

String expansions [Expansion operators]

SHA-256 hash

String expansions [Expansion operators]

SHA3 hash

String expansions [Expansion operators]

SIGHUP

The Exim command line [Command line options], Security considerations [Running Exim without privilege]

SIGUSR1

Exim utilities [Finding out what Exim processes are doing (exiwhat)]

SIZE option on MAIL command

SMTP processing [Outgoing SMTP and LMTP over TCP/IP], SMTP processing [Incoming SMTP messages over TCP/IP]

SMTP
SIZE

Generic options for transports, The smtp transport [Private options for smtp]

authentication configuration

SMTP authentication

batched incoming

The Exim command line [Command line options], SMTP processing [Incoming batched SMTP]

batched outgoing

SMTP processing [Outgoing batched SMTP]

batched outgoing; example

The manualroute router [Manualroute examples]

batching over TCP/IP

SMTP processing [Outgoing SMTP and LMTP over TCP/IP]

callout verification

Access control lists [Callout verification]

command history

String expansions [Expansion variables]

command, argument for

String expansions [Expansion variables]

connection backlog

Main configuration [Alphabetical list of main options]

connection, ACL for

Access control lists [Specifying when ACLs are used], Access control lists [The SMTP connect ACL]

delaying delivery

The Exim command line [Command line options]

details policy failures

Main configuration [Alphabetical list of main options]

encrypted connection

Main configuration [Alphabetical list of main options]

encryption

Encrypted SMTP connections using TLS/SSL

error codes

The redirect router [Special items in redirection lists], The redirect router [Private options for the redirect router], Access control lists [ACL modifiers]

errors in outgoing

SMTP processing [Errors in outgoing SMTP]

host name in responses

Main configuration [Alphabetical list of main options]

incoming call count

Main configuration [Alphabetical list of main options]

incoming connection count

Main configuration [Alphabetical list of main options], Main configuration [Alphabetical list of main options]

incoming over TCP/IP

SMTP processing [Incoming SMTP messages over TCP/IP]

input timeout

The Exim command line [Command line options], Main configuration [Alphabetical list of main options]

limiting incoming message count

Main configuration [Alphabetical list of main options]

limiting non-mail commands

Main configuration [Alphabetical list of main options]

limiting syntax and protocol errors

Main configuration [Alphabetical list of main options]

limiting unknown commands

Main configuration [Alphabetical list of main options]

listener

The Exim command line [Command line options]

local incoming

SMTP processing [Incoming local SMTP]

local input

The Exim command line [Command line options]

logging confirmation

Log files [Reducing or increasing what is logged]

logging connections

Log files [Reducing or increasing what is logged]

logging incomplete transactions

Log files [Reducing or increasing what is logged]

logging protocol error

Log files [Reducing or increasing what is logged]

logging syntax errors

Log files [Reducing or increasing what is logged]

multiple deliveries

The Exim command line [Command line options], The Exim command line [Command line options], The Exim command line [Command line options], The Exim command line [Command line options], The smtp transport [Private options for smtp], Some common configuration settings [Exim on the intermittently connected client host]

non-mail commands

SMTP processing [Use of non-mail SMTP commands]

outgoing over TCP/IP

SMTP processing [Outgoing SMTP and LMTP over TCP/IP]

output flushing, disabling for callout

Access control lists [Use of the control modifier], Access control lists [Callout verification]

output flushing, disabling for delay

Access control lists [Use of the control modifier]

passed connection

The Exim command line [Command line options], The Exim command line [Command line options], The Exim command line [Command line options], The Exim command line [Command line options], The smtp transport [Private options for smtp], SMTP processing [Outgoing SMTP and LMTP over TCP/IP], Some common configuration settings [Exim on the intermittently connected client host]

processing details

SMTP processing

protocol errors

SMTP processing [Syntax and protocol errors in SMTP commands]

rate limiting

Main configuration [Alphabetical list of main options]

rewriting malformed addresses

Address rewriting [The SMTP-time rewriting flag]

smtps protocol

The default configuration file [Main configuration settings], Starting the daemon and the use of network interfaces [Support for the submissions (aka SSMTP or SMTPS) protocol], Encrypted SMTP connections using TLS/SSL [Support for the submissions (aka ssmtp and smtps) protocol]

ssmtp protocol

The default configuration file [Main configuration settings], Starting the daemon and the use of network interfaces [Support for the submissions (aka SSMTP or SMTPS) protocol], Encrypted SMTP connections using TLS/SSL [Support for the submissions (aka ssmtp and smtps) protocol]

submissions protocol

The default configuration file [Main configuration settings], Encrypted SMTP connections using TLS/SSL [Support for the submissions (aka ssmtp and smtps) protocol]

synchronization checking

Main configuration [Alphabetical list of main options], Access control lists [Use of the control modifier]

syntax errors

SMTP processing [Syntax and protocol errors in SMTP commands]

syntax errors; logging

Log files [Reducing or increasing what is logged]

testing incoming

The Exim command line [Command line options]

unknown command; logging

Log files [Reducing or increasing what is logged]

unrecognized commands

SMTP processing [Unrecognized SMTP commands]

welcome banner

Main configuration [Alphabetical list of main options]

SMTPS

Main configuration [Alphabetical list of main options]

SMTPUTF8
ESMTP option

Internationalisation [MTA operations]

advertising

Main configuration [Alphabetical list of main options]

logging

Internationalisation [MTA operations]

SOA record
in dnsdb lookup

File and database lookups [More about dnsdb]

SOCKS
proxy

Proxies [Outbound proxies]

SPA authentication

Incorporated code

SPF
ACL condition

DKIM, SPF and DMARC [SPF (Sender Policy Framework)], DKIM, SPF and DMARC [SPF (Sender Policy Framework)]

best guess

DKIM, SPF and DMARC [SPF (Sender Policy Framework)]

lookup expansion

DKIM, SPF and DMARC [SPF (Sender Policy Framework)]

verification

DKIM, SPF and DMARC [SPF (Sender Policy Framework)]

verification variables

DKIM, SPF and DMARC [SPF (Sender Policy Framework)]

SPF record
in dnsdb lookup

File and database lookups [More about dnsdb]

SQL lookup types

File and database lookups [SQL lookups]

SRV record
enabling use of

The dnslookup router [Private options for dnslookup]

in dnsdb lookup

File and database lookups [More about dnsdb]

required to exist

The dnslookup router [Private options for dnslookup]

SSL

see "TLS"

SSMTP

Main configuration [Alphabetical list of main options]

STARTTLS, ACL for

Main configuration [Alphabetical list of main options], Access control lists [Specifying when ACLs are used]

Samba project

Incorporated code

Sender: header line

The Exim command line [Trusted and admin users], Message processing [The Sender: header line]

disabling addition of

Main configuration [Alphabetical list of main options]

retaining from local submission

Main configuration [Alphabetical list of main options]

Sendmail compatibility
-U option ignored

The Exim command line [Command line options]

-bi option

The Exim command line [Command line options]

-h option ignored

The Exim command line [Command line options]

-oA option

The Exim command line [Command line options]

-om option ignored

The Exim command line [Command line options]

-oo option ignored

The Exim command line [Command line options]

-t option

The Exim command line [Command line options], Main configuration [Alphabetical list of main options]

8-bit characters

The Exim command line [Command line options]

From line

The Exim command line [Command line options], Message processing [The UUCP From line], Message processing [The From: header line]

calling Exim as newaliases

The Exim command line [Setting options by program name]

command line interface

Introduction [Calling interface]

Sieve filter

How Exim receives and delivers mail [User filters]

capabilities

The Exim command line [Command line options]

configuring appendfile

The appendfile transport [The file and directory options]

enabling in default router

The default configuration file [Router configuration]

enabling use of

The redirect router [Private options for the redirect router]

forbidding delivery to a file

The redirect router [Private options for the redirect router]

keep facility; disabling

The redirect router [Private options for the redirect router]

not available for system filter

How Exim receives and delivers mail [Delivery in detail], Main configuration [Alphabetical list of main options]

relative mailbox path handling

The appendfile transport [The file and directory options]

specifying in redirection data

The redirect router [Interpreting redirection data]

syntax errors in

The redirect router [Private options for the redirect router]

testing

The Exim command line [Command line options]

vacation directory

The redirect router [Private options for the redirect router]

value of $address_file

String expansions [Expansion variables]

Solaris
DBM library for

Building and installing Exim [DBM libraries]

LDAP

File and database lookups [More about LDAP]

PAM support

String expansions [Expansion conditions]

flock() support

The appendfile transport [Private options for appendfile]

mail command

The Exim command line [Command line options]

stopping Exim on

Building and installing Exim [Stopping the Exim daemon on Solaris]

SpamAssassin

Content scanning at ACL time [Scanning with SpamAssassin and Rspamd]

saslauthd daemon

String expansions [Expansion conditions]

saslauthd expansion condition

String expansions [Expansion conditions]

sasldb2

File and database lookups [Single-key lookup types]

scanning

see "content scanning"

security
MX lookup

Generic options for routers, Generic options for routers, The smtp transport [Private options for smtp], The smtp transport [Private options for smtp]

build-time features

Security considerations [Building a more hardened Exim]

command injection attacks

Security considerations [Running local commands]

data sources

Security considerations [Trust in configuration data]

discussion of

Security considerations

local commands

Security considerations [Running local commands]

regular expressions

Security considerations [Trust in configuration data]

sender
ACL checking

Access control lists [ACL conditions], Access control lists [ACL conditions]

address

The Exim command line [Command line options], Message processing [The UUCP From line]

authenticated

String expansions [Expansion variables]

changing

The Exim command line [Command line options]

constructed by Exim

How Exim receives and delivers mail [Receiving mail]

definition of

Introduction [Terminology]

gid

String expansions [Expansion variables]

host address, specifying for local message

The Exim command line [Command line options]

host name, specifying for local message

The Exim command line [Command line options]

ident string, specifying for local message

The Exim command line [Command line options]

name

The Exim command line [Command line options]

setting by untrusted user

Main configuration [Alphabetical list of main options]

source of

The Exim command line [Command line options]

uid

String expansions [Expansion variables]

verifying

Access control lists [ACL conditions]

verifying in header

Access control lists [ACL conditions]

sender_domains ACL condition

Access control lists [ACL conditions]

sender_retain submission option

Message processing [Submission mode for non-local messages]

senders ACL condition

Access control lists [ACL conditions]

serializing connections

The smtp transport [Private options for smtp]

set ACL modifier

Access control lists [ACL modifiers]

setuid

Security considerations [Root privilege]

installing Exim with

Building and installing Exim [Installing Exim binaries and scripts]

sg expansion item

String expansions [Expansion items]

sha1 expansion item

String expansions [Expansion operators]

sha2 expansion item

String expansions [Expansion operators]

sha256 expansion item

String expansions [Expansion operators]

sha3 expansion item

String expansions [Expansion operators]

shadow transport

Generic options for transports

signal
HUP, to restart

Building and installing Exim [Upgrading Exim], The Exim command line [Command line options]

to reload configuration

The Exim command line [Command line options]

signal exit

The pipe transport [Private options for pipe]

simultaneous deliveries

Environment for running local transports [Concurrent deliveries]

single-key lookup
definition of

File and database lookups [Lookup types]

list of types

File and database lookups [Single-key lookup types]

size
of bounce lines, limit

Main configuration [Alphabetical list of main options]

of bounce, limit

Main configuration [Alphabetical list of main options]

of mailbox

The appendfile transport [Private options for appendfile], The appendfile transport [Private options for appendfile], The appendfile transport [Private options for appendfile]

of message

The Exim command line [Command line options], String expansions [Expansion variables], The smtp transport [Private options for smtp], Log files [Logging message reception], Log files [Reducing or increasing what is logged]

of message, limit

Main configuration [Alphabetical list of main options], Generic options for transports

of monitor window

The Exim monitor [Main action buttons]

skipping faulty addresses

The redirect router [Private options for the redirect router]

smart host
example router

The manualroute router [Manualroute examples], Some common configuration settings [Sending mail to a smart host]

suppressing queueing

Using Exim as a non-queueing client

smtp transport

The smtp transport

smtps protocol

The default configuration file [Main configuration settings], Starting the daemon and the use of network interfaces [Support for the submissions (aka SSMTP or SMTPS) protocol], Encrypted SMTP connections using TLS/SSL [Support for the submissions (aka ssmtp and smtps) protocol]

socket, use of in expansion

String expansions [Expansion items]

sorting
a list

String expansions [Expansion items]

sorting remote deliveries

Main configuration [Alphabetical list of main options]

source routing
in IP packets

Security considerations [IPv4 source routing]

in email address

Main configuration [Alphabetical list of main options]

spa authenticator

The spa authenticator

spam ACL condition

Access control lists [ACL conditions]

spam scanning

Content scanning at ACL time [Scanning with SpamAssassin and Rspamd]

returned variables

Content scanning at ACL time [Calling SpamAssassin from an Exim ACL]

spool directory
checking space

Main configuration [Alphabetical list of main options], Main configuration [Alphabetical list of main options]

creating

Building and installing Exim [Setting up the spool directory]

definition of

Introduction [Terminology]

file formats

Main configuration [Alphabetical list of main options]

file locked

Log files [Other log entries]

files

Security considerations [Spool files]

files that hold a message

How Exim receives and delivers mail [Handling an incoming message]

format of files

Format of spool files

input sub-directory

How Exim receives and delivers mail [Handling an incoming message]

path to

Main configuration [Alphabetical list of main options]

split

Main configuration [Alphabetical list of main options]

spool file is locked

Log files [Reducing or increasing what is logged]

spool files
editing

Format of spool files

format of

Format of spool files

sprintf()

Security considerations [Use of sprintf()]

sqlite
lookup timeout

File and database lookups [More about SQLite]

sqlite lookup type

File and database lookups [Query-style lookup types], File and database lookups [More about SQLite]

lock timeout

Main configuration [Alphabetical list of main options]

src/EDITME

Building and installing Exim [Pre-building configuration]

ssmtp protocol

The default configuration file [Main configuration settings], Starting the daemon and the use of network interfaces [Support for the submissions (aka SSMTP or SMTPS) protocol], Encrypted SMTP connections using TLS/SSL [Support for the submissions (aka ssmtp and smtps) protocol]

outbound

The smtp transport [Private options for smtp]

stat expansion item

String expansions [Expansion operators]

statistics

Exim utilities [Mail statistics (eximstats)]

statvfs function

The Exim monitor [The stripcharts]

sticky bit

Building and installing Exim [Testing], The appendfile transport [Private options for appendfile]

str2b64 expansion item

String expansions [Expansion operators]

string
case forcing

String expansions [Expansion operators], String expansions [Expansion operators]

comparison

String expansions [Expansion conditions], String expansions [Expansion conditions], String expansions [Expansion conditions], String expansions [Expansion conditions], String expansions [Expansion conditions], String expansions [Expansion conditions]

expansion

see "expansion"

format of configuration values

The Exim runtime configuration file [String values]

length in expansion

String expansions [Expansion operators]

list, definition of

The Exim runtime configuration file [List construction]

quoted

The Exim runtime configuration file [String values]

testing for IP address

String expansions [Expansion conditions]

stripchart

The Exim monitor [The stripcharts]

strlen expansion item

String expansions [Expansion operators]

subject, logging

Log files [Reducing or increasing what is logged]

submission fixups, suppressing

Access control lists [Use of the control modifier]

submission fixups, suppressing (command-line)

The Exim command line [Command line options]

submission mode

Access control lists [Use of the control modifier], Message processing [Submission mode for non-local messages], Message processing [The From: header line], Message processing [The Sender: header line]

submissions protocol

The default configuration file [Main configuration settings], Starting the daemon and the use of network interfaces [Support for the submissions (aka SSMTP or SMTPS) protocol], Encrypted SMTP connections using TLS/SSL [Support for the submissions (aka ssmtp and smtps) protocol]

substr expansion item

String expansions [Expansion items], String expansions [Expansion operators]

substring extraction

String expansions [Expansion items], String expansions [Expansion operators]

suffix for local part
including in envelope

Generic options for transports

used in router

Generic options for routers

symbolic link
to build directory

Building and installing Exim [Multiple machine architectures and operating systems]

to exim binary

Building and installing Exim [Replacing another MTA with Exim]

to mailbox

The appendfile transport [Private options for appendfile], The appendfile transport [Operational details for appending]

to source files

Building and installing Exim [The building process]

synchronization checking in SMTP

Main configuration [Alphabetical list of main options], Access control lists [Use of the control modifier]

syntax of common options

The Exim runtime configuration file [Common option syntax]

syslog

Log files [Where the logs are written]

duplicate log lines; suppressing

Main configuration [Alphabetical list of main options]

facility; setting

Main configuration [Alphabetical list of main options]

pid

Main configuration [Alphabetical list of main options]

process name; set with flag

The Exim command line [Command line options]

process name; setting

Main configuration [Alphabetical list of main options]

timestamps

Main configuration [Alphabetical list of main options]

system aliases file

Building and installing Exim [Installing Exim binaries and scripts]

system filter

System-wide message filtering

specifying

Main configuration [Alphabetical list of main options]

testing

The Exim command line [Command line options]

system log

Log files

T

TCP Fast Open
enabling, in client

The smtp transport [Private options for smtp]

TCP/IP
logging incoming remote port

Log files [Reducing or increasing what is logged]

logging local address and port

Log files [Reducing or increasing what is logged], Log files [Reducing or increasing what is logged]

logging outgoing remote port

Log files [Reducing or increasing what is logged]

logging proxy address

Log files [Reducing or increasing what is logged]

setting listening interfaces

The Exim command line [Command line options], Starting the daemon and the use of network interfaces

setting listening ports

The Exim command line [Command line options], Starting the daemon and the use of network interfaces, Main configuration [Alphabetical list of main options]

setting outgoing port

The smtp transport [Private options for smtp]

TCP_NODELAY on listening sockets

Main configuration [Alphabetical list of main options]

TCP_WRAPPERS_DAEMON_NAME

Building and installing Exim [Use of tcpwrappers]

TLS
D-H bit count

Main configuration [Alphabetical list of main options]

D-H parameters for server

Main configuration [Alphabetical list of main options]

Diffie-Hellman minimum acceptable size

The smtp transport [Private options for smtp]

EC cryptography

Main configuration [Alphabetical list of main options]

OCSP proof file

Main configuration [Alphabetical list of main options]

OpenSSL vs GnuTLS

Encrypted SMTP connections using TLS/SSL [OpenSSL vs GnuTLS]

SSL-on-connect outbound

The smtp transport [Private options for smtp]

Server Name Indication

String expansions [Expansion variables], String expansions [Expansion variables], The smtp transport [Private options for smtp], Encrypted SMTP connections using TLS/SSL [Use of TLS Server Name Indication]

advertising

Main configuration [Alphabetical list of main options]

automatic start

The Exim command line [Command line options]

avoiding for certain hosts

The smtp transport [Private options for smtp], The smtp transport [Private options for smtp]

broken clients

Main configuration [Alphabetical list of main options]

certificate status

Main configuration [Alphabetical list of main options]

client certificate revocation list

The smtp transport [Private options for smtp]

client certificate verification

Main configuration [Alphabetical list of main options], Main configuration [Alphabetical list of main options], Main configuration [Alphabetical list of main options], Encrypted SMTP connections using TLS/SSL [Requesting and verifying client certificates], Access control lists [ACL conditions]

client certificate, location of

The smtp transport [Private options for smtp]

client private key, location of

The smtp transport [Private options for smtp]

configuring an Exim client

Encrypted SMTP connections using TLS/SSL [Configuring an Exim client to use TLS]

configuring an Exim server

Encrypted SMTP connections using TLS/SSL [Configuring an Exim server to use TLS]

esmtp state; remembering

Main configuration [Alphabetical list of main options]

including support for TLS

Building and installing Exim [Including TLS/SSL encryption support]

logging SNI

Log files [Reducing or increasing what is logged]

logging cipher

Log files [Reducing or increasing what is logged]

logging peer DN

Log files [Reducing or increasing what is logged]

multiple message deliveries

The smtp transport [Private options for smtp], The smtp transport [Private options for smtp], Encrypted SMTP connections using TLS/SSL [Multiple messages on the same encrypted TCP/IP connection]

on SMTP connection

Encrypted SMTP connections using TLS/SSL

passing connection

The smtp transport [Private options for smtp], The smtp transport [Private options for smtp]

requiring for certain servers

The smtp transport [Private options for smtp], The smtp transport [Private options for smtp], The smtp transport [Private options for smtp]

requiring specific ciphers

Main configuration [Alphabetical list of main options], The smtp transport [Private options for smtp]

requiring specific ciphers (OpenSSL)

Encrypted SMTP connections using TLS/SSL [Requiring specific ciphers in OpenSSL]

requiring specific ciphers for DANE

The smtp transport [Private options for smtp]

revoked certificates

Encrypted SMTP connections using TLS/SSL [Revoked certificates]

server certificate hostname verification

The smtp transport [Private options for smtp]

server certificate revocation list

Main configuration [Alphabetical list of main options]

server certificate verification

The smtp transport [Private options for smtp], The smtp transport [Private options for smtp], The smtp transport [Private options for smtp]

server certificate; location of

Main configuration [Alphabetical list of main options]

server private key; location of

Main configuration [Alphabetical list of main options]

specifying MAC algorithms (GnuTLS)

Encrypted SMTP connections using TLS/SSL [Requiring specific ciphers or other parameters in GnuTLS]

specifying ciphers (GnuTLS)

Encrypted SMTP connections using TLS/SSL [Requiring specific ciphers or other parameters in GnuTLS]

specifying key exchange methods (GnuTLS)

Encrypted SMTP connections using TLS/SSL [Requiring specific ciphers or other parameters in GnuTLS]

specifying priority string (GnuTLS)

Encrypted SMTP connections using TLS/SSL [Requiring specific ciphers or other parameters in GnuTLS]

specifying protocols (GnuTLS)

Encrypted SMTP connections using TLS/SSL [Requiring specific ciphers or other parameters in GnuTLS]

use without STARTTLS

The Exim command line [Command line options]

TTL
of dns lookup

File and database lookups [Dnsdb lookup modifiers]

TXT record
in dnsdb lookup

File and database lookups [More about dnsdb]

To: header line

The Exim command line [Command line options]

Tru64-Unix build-time settings

Building and installing Exim [Overriding build-time options for Exim]

tainted data
expansion

String expansions

tcp_wrappers_daemon_name

Building and installing Exim [Use of tcpwrappers]

tcpwrappers, building Exim to support

Building and installing Exim [Use of tcpwrappers]

tdb DBM library

Building and installing Exim [DBM libraries]

terminology definitions

Introduction [Terminology]

testing
,

The Exim command line [Command line options]

addresses

The Exim command line [Command line options], Generic options for routers

filter file

The Exim command line [Command line options]

forward file

The Exim command line [Command line options]

incoming SMTP

The Exim command line [Command line options]

installation

Building and installing Exim [Testing]

relay control

The Exim command line [Command line options]

retry configuration

The Exim command line [Command line options]

rewriting

The Exim command line [Command line options], Address rewriting [Testing the rewriting rules that apply on input]

string expansion

The Exim command line [Command line options], The Exim command line [Command line options], The Exim command line [Command line options], String expansions [Testing string expansions]

system filter

The Exim command line [Command line options]

variables in drivers

Generic options for routers, Generic options for transports

thawing messages

The Exim command line [Command line options], Main configuration [Alphabetical list of main options], The Exim monitor [The queue menu]

time interval
decoding

String expansions [Expansion operators]

formatting

String expansions [Expansion operators]

specifying in configuration

The Exim runtime configuration file [Time intervals]

time_eval expansion item

String expansions [Expansion operators]

time_interval expansion item

String expansions [Expansion operators]

timeout
LDAP lookup

File and database lookups [LDAP authentication and control information]

SQLite

File and database lookups [More about SQLite]

dns lookup

File and database lookups [Dnsdb lookup modifiers], Main configuration [Alphabetical list of main options]

for RFC 1413 call

Main configuration [Alphabetical list of main options]

for SMTP input

The Exim command line [Command line options], Main configuration [Alphabetical list of main options]

for local_scan() function

Main configuration [Alphabetical list of main options]

for non-SMTP input

The Exim command line [Command line options], Main configuration [Alphabetical list of main options]

frozen messages

Main configuration [Alphabetical list of main options]

mailbox locking

The appendfile transport [Private options for appendfile], The appendfile transport [Private options for appendfile]

of retry data

Retry configuration [Timeout of retry data]

of router

Generic options for routers

timestamps
millisecond, in logs

Log files [Reducing or increasing what is logged]

timezone, setting

Main configuration [Alphabetical list of main options]

tls authenticator

The tls authenticator

tmail

The pipe transport [Private options for pipe]

too many open files

Main configuration [Alphabetical list of main options]

top bit

see "8-bit characters"

tr expansion item

String expansions [Expansion items]

trailing dot on domain

Main configuration [Alphabetical list of main options]

transport
body only

Generic options for transports

concurrency limit

Generic options for transports

current directory for

Generic options for transports

definition of

How Exim receives and delivers mail [Processing an address for delivery]

external

Introduction [Limitations]

filter

String expansions [Expansion variables], String expansions [Expansion variables], Generic options for transports, The pipe transport [How the command is run], The smtp transport [Private options for smtp], SMTP processing [Outgoing SMTP and LMTP over TCP/IP]

filter, timeout

Generic options for transports

generic options for

Generic options for transports

group; additional

Generic options for transports

group; specifying

Generic options for transports

header lines only

Generic options for transports

header lines; adding

Generic options for transports

header lines; removing

Generic options for transports

header lines; rewriting

Generic options for transports

home directory for

Generic options for transports

local

Generic options for routers, Generic options for routers, Generic options for routers []

local; address batching in

Address batching in local transports

local; current directory for

Environment for running local transports [Current and home directories]

local; environment for

Environment for running local transports

local; home directory for

Environment for running local transports [Current and home directories]

local; uid and gid

Environment for running local transports [Uids and gids]

message size; limiting

Generic options for transports

name

String expansions [Expansion variables]

parallel processes

Generic options for transports

return path; changing

Generic options for transports

shadow

Generic options for transports

user, specifying

Generic options for transports

transports
appendfile

The appendfile transport

autoreply

The autoreply transport

default

The default configuration file [Transport configuration]

lmtp

The lmtp transport

pipe

The pipe transport

smtp

The smtp transport

trusted groups

Main configuration [Alphabetical list of main options]

trusted users

The Exim command line [Command line options], Main configuration [Alphabetical list of main options], Main configuration [Alphabetical list of main options], Security considerations [Privileged users]

definition of

The Exim command line [Trusted and admin users]

U

UDP communications

Access control lists [ACL modifiers]

USE_DB

Building and installing Exim [DBM libraries], Exim utilities [Making DBM files (exim_dbmbuild)]

USE_GNUTLS

Building and installing Exim [Including TLS/SSL encryption support]

USE_TCP_WRAPPERS

Building and installing Exim [Use of tcpwrappers]

UTF-8
conversion from

String expansions [Expansion operators]

expansion

String expansions [Expansion operators]

in debug output

The Exim command line [Command line options]

in domain name

Main configuration [Alphabetical list of main options]

UUCP
From line

The Exim command line [Command line options], Main configuration [Alphabetical list of main options], Main configuration [Alphabetical list of main options], Message processing [The UUCP From line]

example of router for

The manualroute router [Manualroute examples]

Unicode

String expansions [Expansion operators]

uc expansion item

String expansions [Expansion operators]

uid (user id)
Exim’s own

Main configuration [Alphabetical list of main options]

caller

String expansions [Expansion variables]

for queryprogram

The queryprogram router

in spool file

Format of spool files [Format of the -H file]

local delivery

Generic options for routers [], Generic options for transports, The pipe transport [Private options for pipe]

of originating user

String expansions [Expansion variables]

system filter

Main configuration [Alphabetical list of main options], System-wide message filtering [Specifying a system filter]

unknown caller

Main configuration [Alphabetical list of main options]

underscore in EHLO/HELO

Main configuration [Alphabetical list of main options]

unfreezing messages

The Exim command line [Command line options], Main configuration [Alphabetical list of main options], The Exim monitor [The queue menu]

unknown host name

Domain, host, address, and local part lists [Host list patterns that match by host name], Domain, host, address, and local part lists [Host list patterns for single-key lookups by host name]

unprivileged delivery

Main configuration [Alphabetical list of main options]

unprivileged running

Security considerations [Running Exim without privilege]

unqualified addresses

Main configuration [Alphabetical list of main options], Main configuration [Alphabetical list of main options], Message processing [Unqualified addresses]

untrusted user setting sender

Main configuration [Alphabetical list of main options]

upgrading Exim

Building and installing Exim [Upgrading Exim]

upper casing

String expansions [Expansion operators]

user
admin

Security considerations [Privileged users]

admin definition of

The Exim command line [Trusted and admin users]

trusted

The Exim command line [Command line options], Main configuration [Alphabetical list of main options], Security considerations [Privileged users]

trusted definition of

The Exim command line [Trusted and admin users]

untrusted setting sender

Main configuration [Alphabetical list of main options]

user name
format of

The Exim runtime configuration file [User and group names]

maximum length

Main configuration [Alphabetical list of main options]

utf-8
utf-8 sequences

String expansions [Expansion operators]

utf8
address downconversion

The smtp transport [Private options for smtp], Internationalisation [MTA operations]

mail name handling

Internationalisation

utf8_domain_from_alabel expansion item

String expansions [Expansion operators]

utf8_domain_to_alabel expansion item

String expansions [Expansion operators]

utf8_localpart_from_alabel expansion item

String expansions [Expansion operators]

utf8_localpart_to_alabel expansion item

String expansions [Expansion operators]

utf8clean expansion item

String expansions [Expansion operators]

utilities

Exim utilities

V

VERP

Some common configuration settings [Variable Envelope Return Paths (VERP)]

VRFY
ACL for

Main configuration [Alphabetical list of main options], Access control lists [Specifying when ACLs are used]

error text, display of

The redirect router [Special items in redirection lists]

processing

SMTP processing [The VRFY and EXPN commands]

Variable Envelope Return Paths

Some common configuration settings [Variable Envelope Return Paths (VERP)]

vacation processing

Some common configuration settings [Simplified vacation processing]

variables

see "expansion, variables"

variables ($auth1 $auth2 etc)
in external authenticator

The external authenticator [External options]

in tls authenticator

The tls authenticator

verify ACL condition

Access control lists [ACL conditions], Access control lists [ACL conditions], Access control lists [ACL conditions], Access control lists [ACL conditions], Access control lists [ACL conditions], Access control lists [ACL conditions], Access control lists [ACL conditions], Access control lists [ACL conditions], Access control lists [ACL conditions]

verifying
EHLO

Access control lists [ACL conditions]

HELO

Access control lists [ACL conditions]

header names only ASCII

Access control lists [ACL conditions]

header syntax

Access control lists [ACL conditions]

not blind

Access control lists [ACL conditions]

recipient

Access control lists [ACL conditions]

redirection while

Access control lists [Redirection while verifying]

sender

Access control lists [ACL conditions]

sender in header

Access control lists [ACL conditions]

suppressing error details

Access control lists [Sender address verification reporting]

verifying address
by callout

Access control lists [Callout verification]

differentiating failures

Access control lists [Address verification]

options for

Access control lists [Address verification]

overview

How Exim receives and delivers mail [Processing an address for verification]

using -bv

The Exim command line [Command line options]

version number of Exim

The Exim command line [Command line options]

override

Main configuration [Alphabetical list of main options]

virtual domains

Some common configuration settings [Virtual domains]

virus scanners
DrWeb

Content scanning at ACL time [Scanning for viruses]

F-Secure

Content scanning at ACL time [Scanning for viruses]

Kaspersky

Content scanning at ACL time [Scanning for viruses], Content scanning at ACL time [Scanning for viruses]

Sophos and Sophie

Content scanning at ACL time [Scanning for viruses]

avast

Content scanning at ACL time [Scanning for viruses]

clamd

Content scanning at ACL time [Scanning for viruses]

command line interface

Content scanning at ACL time [Scanning for viruses]

f-prot6d

Content scanning at ACL time [Scanning for viruses]

f-protd

Content scanning at ACL time [Scanning for viruses]

mksd

Content scanning at ACL time [Scanning for viruses]

simple socket-connected

Content scanning at ACL time [Scanning for viruses]

virus scanning

Content scanning at ACL time [Scanning for viruses]

Z

zero, binary

see "binary zero"

<-previousTable of Contentsnext->