> I am trying to parse email messages in their raw form and I am having
> trouble with different mail programs / services and the way they format

> Surely there has to be some spec outlined out there... but so far all I'm
> finding is vague information.

Do you know, I think there might be a few specs knocking around
somewhere on the Interweb. Try these for starters:
<http://www.ietf.org/iesg/1rfc_index.txt>

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Steve