Date: Wed, 1 Jun 2005 14:46:18 -0600 From: "Chad Leigh -- Shire.Net LLC" <chad@shire.net> To: Bart Silverstrim <bsilver@chrononomicon.com> Cc: FreeBSD Mailing List <freebsd-questions@freebsd.org> Subject: Re: postgrey question Message-ID: <8B6C5637-F4B3-4635-94EA-F1B8EE9D8A2F@shire.net> In-Reply-To: <0a6397740f09ea4ac7cce0b1bead3bde@chrononomicon.com> References: <0a6397740f09ea4ac7cce0b1bead3bde@chrononomicon.com>
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On Jun 1, 2005, at 8:07 AM, Bart Silverstrim wrote: > I've been looking into ways of improving our spam filtering. > Currently I'm running postfix with amavisd-new (spamassassin and > clamav), and saw an article on greylisting using postgrey. Turns > out there's a port for it already in FreeBSD. I don't run postifx and the thing I am about to mention I have not tried yet, but you may want to explore modifying your greylisting to be based on spamassassin results. I use exim as the mta and there is a thing called sa-exim that lets you run spamassassin at SMTP time so that you can reject mail if you want before you actually are finished receiving it. The author of sa- exim has modified it to do greylisting based on spamassassing scores generated at smtp time, so that you only greylist mail that is thought to be spam and do not inconvenience your regular users. Can you do spamassassin at smtp time with postfix? Chad
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