filtering signed email with thunderbird

[Ramon Loureiro]

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
 
Hi!

Is it possible to make a thunderbird filter that save my signed msgs in
some folder?
What in the email header must the filter check to see it has a (valid)
signature?
Or must it look for "BEGIN PGP..." strings into the body of the msg?

Cheers!!!

___
ramon


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