Author: Marc Perkel Date: To: Mark Rigby-Jones CC: exim-users Subject: Re: [exim] Exim 4.68 defeats spammers!
Mark Rigby-Jones wrote: > On 30 Aug 2007, at 14:49, Philip Hazel wrote:
>> I have just put Exim release 4.68 on the primary ftp site:
>> This release contains a number of new features
> Talk about a new release arriving just in the nick of time! Two of
> those new features combined to help solve a problem I was having
> yesterday afternoon. Allow me to explain:
> Briefly, we were having an issue with a spam attack from (presumably)
> a zombie network, but to add to the fun the vast majority of the spam
> connections were sitting doing nothing until exim timed them out
> while waiting for a command.
Interesting. I'm wondering if that is happening to me. The number of
open connection to my main serve has increased by almost 10 times
normal. I have the capacity to handle it and the load levels haven't
increased. So maybe the same thing is happening to me as happening to you?
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