[Cialug] spam filtering

Dave Weis cialug@cialug.org
Wed, 20 Oct 2004 11:54:00 -0500 (CDT)


On Wed, 20 Oct 2004, Nathan C. Smith wrote:
> Does amavisd-new run as a daemon?
> Why are they accepting mail to bounce to a non-existent host?
> Have you looked into tarpit for this client?

Yes
The virus scanner fronts for 3 other mail servers in other locations so it 
doesn't do much dropping of mail because it doesn't know if the recipient 
is valid.
The mail server now is making a good tarpit, but it's holding valid mail 
too :-)

dave


> -----Original Message-----
> From: Dave Weis [mailto:djweis@sjdjweis.com]
> Sent: Wednesday, October 20, 2004 11:29 AM
> To: cialug@cialug.org
> Subject: [Cialug] spam filtering
>
>
>
>
> I've got a client that's getting about 25k emails per day, 95%+ is spam.
> We are running on redhat 9 with amavisd-new amavisd-new-20030314-p2 and
> postfix 1.1.11 using the content filtering and sophos as the AV plugin. We
> are having severe load problems and mail speed is a couple minutes for
> incoming mail. Part of the problem is that we will get 200-500+ messages
> stuck in the queue waiting to bounce to non-existant hosts. Would an
> upgrade to a newer version of amavisd-new help?
>
> dave
>
>
> --
> Dave Weis             "I believe there are more instances of the abridgment
> djweis@sjdjweis.com   of the freedom of the people by gradual and silent
>                       encroachments of those in power than by violent
>                       and sudden usurpations."- James Madison
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-- 
Dave Weis             "I believe there are more instances of the abridgment
djweis@sjdjweis.com   of the freedom of the people by gradual and silent
                       encroachments of those in power than by violent
                       and sudden usurpations."- James Madison