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Spam Recipe: Match Message-id: and From:

1998-04-24 21:45:32
I am hoping this will work.  At work, I get lots of spam with Message-id
headers assigned by the local incoming mailer machine.  Some spammers don't
create Message-id's.  Maybe they are stupid.  I do not know.

So if my domain contains xyz.com,

and an incoming message has a
Message-id: of xyz.com
it should also have a
From: with xyz.com.
So should the recipe below handle this stuff?


# if the message id was assigned by the XYZ.COM mailer machine,
# it better be from someone in the xyz.com domains.
# If not trash it.  I sure hope this works.

:0
* ^Message-Id:.*xyz\.com
* !^From:.*xyz\.com
/dev/null