Date: Fri, 25 Jan 2008 10:51:31 -0800 From: "Mark D. Foster" <mark@foster.cc> To: "J. Johnston" <jeremy@stormy.smart-serv.net> Cc: freebsd-questions@freebsd.org Subject: Re: Spam filtering with dspam and postfix Message-ID: <479A2FB3.2030900@foster.cc> In-Reply-To: <479A1E9A.9030406@stormy.smart-serv.net> References: <479A1E9A.9030406@stormy.smart-serv.net>
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J. Johnston wrote: > Hello, > > I was wondering if anyone knew of a good howto, or some tips for > filtering spam using dspam in a setup where virtual users (various > domains) are stored in LDAP. Currently we hand off email to dspam in > the filter stage and dspam hands it back into postfix as lmtp, the > problem with this is the current setup uses (and only howto I can > find) one user for dspam, so the quarantine is under one username, we > would like to separate this so each user@domain has their own > quarantines. Just setup postfix + dspam + procmail last week, although on Ubuntu...conceptually the same. Here is the article I followed: http://www.freesoftwaremagazine.com/articles/focus_spam_dspam?page=0%2C0 I used dspam as the delivery agent (mailbox_command) which in turn calls procmail. Turning this into a working configuration took a LOT of tuning... it's still not quite right but alas DSPAM (after training) is doing a nice job of filtering more than 90% of what gets past the DNSBL. End result, I am only seeing a few spam messages per day, and those are the odd/terse kind. -- Some days it's just not worth chewing through the restraints... Mark D. Foster, CISSP <mark@foster.cc> http://mark.foster.cc/
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