possible idea for backscatter problem

Tom Anderson tanderso at oac-design.com
Thu May 15 01:56:55 CEST 2008


Matthias Andree wrote:
> Not necessarily. A certain amount of backscatter can be identified by
> containing bogus Received: headers - for instance, "Received: from
> gmx.net" is certainly forged since that's the domain, not a mail server.
> A simple Postfix body_filter + header_filter combination kills these.
> Another example is From:+mail address without my real name - I never
> send without real name.

Indeed.  Not just backscatter, but forged headers of all kinds.  That's 
why I wrote Spamitarium 
(http://orderamidchaos.com/bogofilter/spamitarium), a pre-filter that 
can be used with bogofilter.  I rarely receive backscatter now.

Tom




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