[nycbug-talk] OT: Spam Filters

N.J. Thomas thomas at zaph.org
Thu Oct 23 14:24:14 EDT 2008

* Matt Juszczak <matt at atopia.net> [2008-10-23 14:09:59+0000]:
> I was just wondering what Spam Filters people use.  I was using dspam
> with training, but that was getting quite annoying to train

Most sysadmins I know that use Postfix as their MTA say that greylisting
(IIRC they mostly all use postgrey) cuts something like 60-95% of the
spam they get -- the number varies depending on who you talk to, but
they are all unanimous in saying that it cuts a significant percent of
their spam.

The ones I know that don't use it only do so because they can't afford
the lag -- a lot of people expect email to be more or less
instantaneous. This would largely depend on your users however.

> so I switched to out of box SpamAssassin, which marks way too many
> hams as spam and doesn't catch enough of the spams.

Are you using a recent version? SA rarely flags ham as spam for me.


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