RE: [Exim] Re: exim-users vs. reply-to

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Autor: David Brodbeck
Data:  
Para: exim-users
Asunto: RE: [Exim] Re: exim-users vs. reply-to
> -----Original Message-----
> From: lists [mailto:lists@efastfunding.com]


> Also constant delay 220 idea is IMHO a crazy one because the
> volume of mail
> that we get is causing enough concurrent connection as it is
> and increasing
> the time for them could cause NAT/router to hit there max concurrent
> connection limits. It's easier to just black list them or
> catch them with
> one of many apps in ACL or Data transmit times.


I think a constant delay probably isn't a good idea. But initial results
from delaying all hosts that are on a spam or dynamic IP blacklist are quite
good, on my system. It nearly always seems to cause spam zombies to commit
a synchronization error.

Graylisting looks like a better long-term solution, though. I plan to look
into the link that was posted here earlier. It might be a good solution for
you because it doesn't increase your number of concurrent connections.