Sig shows as bad in sent mail folder

[Chris]

This may be a lame question, but, is there any reason that in my sent mail 
folder the sig on outgoing messages show up as bad?


Message was signed by cpollock at earthlink.net (Key ID: 0xE372A7DA98E6705C).
Warning: The signature is bad.

Message was signed by cpollock at earthlink.net (Key ID: 0xE372A7DA98E6705C).
The signature is valid and the key is ultimately trusted.

-- 
Chris
20:22:35 up 17 days, 3:05, 1 user, load average: 0.13, 0.10, 0.09
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