For you Freebsd users of SpamAssassin. I have posted an update to p5-Mail-SpamAssassin:

Major change includes the back porting of the updated DCC.pm module from SA 3.4.0 This update beings increased performance and reliability, as well as supporting both the commercial(private) and non-commercial(public) DCC servers.

As a background, DCC <http://www.rhyolite.com/dcc/cdcc.html> automatically scores BULK EMAIL (not SPAM!), some bulk is NOT spam, some spam is not BULK, but is very useful in catching zero day BULK email, and has less overhead than similar numbers of rbl lookups.

The commercial version also scores percentage of BULK vs NON BULK, allowing you to catch zombies in training.
<http://www.rhyolite.com/dcc/reputations.html>

As you know, DCC is dual licensed, similar to spamhaus and other major blacklists. Free for non-commercial use, up to 100K queries per day, licenses available for > 100K.

One difference, if you are an ISP, and only serving your clients, you can get support for running your own local DCC server(s) for free.

to update: use portupgrade/portmanager, make deinstall reinstall for package p5-Mail-SpamAssassin. Updated dcc-cddd port is available on Freebsd. Other distributions do not all include updated dcc source due to the licensing issue, but it is available on their web site.

Happy SpamHunting.

ps, if you have any problems with the Freebsd SA update, email me. I am the ports maintainer for the Freebsd SA port.
--
Michael Scheidell, CTO
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d: 561-948-2259
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