So I have my mailserver running with the full suite of software on RSEL6:
Postfix/mysql/dovecot/roundcube/spamassasin/clamav/amavis-new
Quite a mouth full, and I see it in lost connections:
1035 *Warning: Pre-queue content-filter connection overload
That is a lot! So there is supposedly some tuning that might help:
http://blog.laimbock.com/2013/07/09/postfix-pre-queue-content-filter-connection-overload/
Or I just put up with this. It will get worst as spammers redirect here
from the old mailserver that I just turned off last night (an i386 box
that has been running for 4 years).
BTW, I am working up a blog posting on how to build this...
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