full-disclosure - Re: Filtering sobig with postfix

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Message-ID: <20030820104251.GA11867@diamond.madduck.net>
From: madduck at madduck.net (martin f krafft)
Subject: Re: Filtering sobig with postfix

also sprach vogt@...senet.com <vogt@...senet.com> [2003.08.20.1017 +0200]:
> in main.cf, enable "body_checks = (filename)". In that (filename)
> file, write a regular expression matching sobig, e.g. something
> like
> 
> /see attached file for details/	REJECT

this incurs a factor 2-4 performance drop, and it could also elicit
false positives. you should definitely do more than just REJECT
(i.e. write out a message: s/REJECT/554 Suspected virus/).

also, this is more the job of a content filter than of an MTA.

-- 
martin;              (greetings from the heart of the sun.)
  \____ echo mailto: !#^."<*>"|tr "<*> mailto:" net@...duck
 
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