Note, that even though it says "connection ratelimit" I have this server
set to disregard ratelimits, for troubleshooting purposes, so we are
continuing to accept connections from them, with no rate limit.
You can see that the remote server connects, provides the email headers,
then seems to do nothing for 120 seconds, at which time we disconnect them.
What are my options for troubleshooting? Of course the remote mail server
admin feels that it's OUR problem. It's hard to refute that, when I have
2977 other timeout messages in my log (this 18.104.22.168 server accounts for 146
of them). Of course, probably a lot of those are spammers.
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