On Wed, 4 Jun 2008, Alain Terriault wrote:
What is todays most effective combination to filter spam ?
We use a three-way combination (on a CentOS 5 base), in this order:
1. sbl-xbl.spamhaus.org
2. clamav-milter
3. spamass-milter (milter-ized spamassassin)
Our server only handles about 50 user accounts, so it's not an
industrial-strength setup by any means -- though our uptime is well
above our internal SLA, and most of our employees have a fairly active
e-mail life. :-)
All bounces happen during the SMTP transaction, so there's no
backscatter problem.
In a typical week, spamhaus will block ca. 60% of inbound traffic,
spamassassin 10%, and ClamAV 2-3%. We end up delivering only about 25%
of the messages we receive from the Internet.
We use rpmforge packages for everything.
--
Paul Heinlein <> heinlein@xxxxxxxxxx <> http://www.madboa.com/
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