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From: Joshua Tinnin <krinklyfig@gmail.com>
To: freebsd-chat@freebsd.org
Date: Mon, 3 Oct 2005 10:42:07 -0600
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Cc: Aaron Holmes <evil@evildomain.org>, chat@freebsd.org
Subject: Re: Spam filters
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On Mon 3 Oct 05 04:08, Aaron Holmes <evil@evildomain.org> wrote:
> Any recomendations on good spam filters?

SpamAssassin, which is actually a combination of anti-spam 
programs/filters: /usr/ports/mail/p5-Mail-SpamAssassin

I have had great success with it using Bayes, Razor2, Pyzor, DCC, and 
the URI RBL checks. I have recently added SPF and DomainKeys. Note that 
the licenses for some of these are commercial or non-free, but that 
mainly applies to commercial use. If you're a home or non-commercial 
user, you can enable them, but you have to do it manually with the .pre 
files in /usr/local/etc/mail/spamassassin Also note that Bayes is only 
effective with proper training, so you should have a good sample of 
actual spam you receive. If not, it will take a while for Bayes to 
learn enough to be utilized. I get no false positives and almost no 
missed spam (well over 99% accuracy), but I am not running it on a 
multi-user mail system, though I do use it for multiple addresses.

See the Wiki: http://wiki.apache.org/spamassassin/

- jt