[Mimedefang] MD SpamAssassin behavior change

David F. Skoll dfs at roaringpenguin.com
Thu Apr 29 22:03:16 EDT 2004


On Thu, 29 Apr 2004, Damrose, Mark wrote:

> I had custom SA rules to check for the non-existance of the Received
> header or the Message-ID header which I found to be fairly effective
> in helping catch direct to MX spam.

You can do this in your filter by opening ./HEADERS and counting the
number that begin with Received:  (Actually, you can stop when you
find one -- it indicates non direct-to-MX.)


> The man page states "By default" these headers are added, which
> would imply that this is optional.  Is there a way to turn this back off?

Not without modifying the source code.

> If this can't be turned off, is there an example of what these headers would
> look like - so that I can make rules to look for them?

See the source, synthesized_received_header

Regards,

David.



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