Big Loads

Alex Neuman van der Hans alex at
Tue Mar 14 00:04:20 GMT 2006

Any good FAQ entries you might recommend on using IPBlock?

Denis Beauchemin wrote:
> 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.
> Denis


Alex Neuman van der Hans
N&K Technology Consultants
Tel. +507 214-9002 -

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