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Re: body_checks

From: Matt Fretwell (mattfbauchan.org)
Date: Mon May 02 2005 - 16:20:49 CDT


Jason Williard wrote:

> Today all mail users on one of my systems started receiving a large
> number of emails with attachments with names that end in (secret.zip,
> info.zip & text.zip). I've been trying to find a way to drop these
> mails quickly. The solution that I came up with was enabling
> body_checks. However, the way I have it set up does not appear to be
> working. I am hoping someone can catch what I am doing wrong here.
>
> ## main.cf
> body_checks = regexp:/etc/postfix/body_checks
> body_checks = pcre:/etc/postfix/body_checks

 The above should be:

body_checks =
  pcre:/etc/postfix/body_checks
  regexp:/etc/postfix/body_checks
 
> ## body_checks
> /(filename|name)="?.*info\.zip.*"?/ DISCARD
> /(filename|name)="?.*text\.zip.*"?/ DISCARD
> /(filename|name)="?.*secret\.zip.*"?/ DISCARD
>
> After editing body_checks, I run "postmap body_checks".

 You don't postmap regex type maps :)

> Is there anything that I am missing or doing wrong here?

 Have you tried using header_checks? Do you have the headers for one of
these mails?

Matt