Big Loads

Denis Beauchemin Denis.Beauchemin at
Mon Mar 13 15:47:00 GMT 2006

Anakin SkyWalker wrote:

> We  have a busy mail server (150K msgs/day). Spamassassin is not a 
> option for us even with newer versions because it slows down the scan 
> processes in such a way that the incoming queue goes high quickly. 
> We're using MailScanner for 2 years now and we're glad it exists. But 
> sometimes even with no third part software for spam checks (SA), it 
> slows down the machine and the queues go up again. Of course it only 
> happens when we're getting massive spam attacks.
> We're looking for a solution and we do want to use SpamAssassin. 
> Anyone with a similar problem to exchange tips, or even experienced 
> users that know how to deal with such problems?
> Thank you.
> ------------------------------------------------------------------------

If you use sendmail you can use IPBlock (part of MS) to help reduce the 
spam attacks' effectiveness.  I default to 50 msgs/hour. I have put 
higher limits for known servers.

I also use milter-greylist (if I get more than 200 messages waiting in 
my mailq) and many sendmail limits.


  °v°   Denis Beauchemin, analyste
 /(_)\  Université de Sherbrooke, S.T.I.
  ^ ^   T: 819.821.8000x2252 F: 819.821.8045

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