filtering UCE with Received: and From: analysis

Eric Smith <[email protected]>
Newsgroups gmane.mail.procmail
Message-ID <[email protected]> 
Has anyone devised a recipe for checking to see if there is some
match between the Received: header(s) and the From: and From
headers?

This could give a score to mail which could make a good
contribution to filtering UCE.
 
Thanks for any suggestions.

Eric Smith
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