I think I might be able to get the handle on this PGP stuff with mailvault. I've always used web-based e-mail. Anyway, this appears to be my public key (how exactly one uses them is my next adventure):
-----BEGIN PGP PUBLIC KEY BLOCK-----
Version: MailVault 2.2 from MailVault Corporation
http://www.mailvault.commQGiBEFrd/IRBADHkdVSGYGZWhvMejwzJEoNYTGO4hanEtA04TfcVe9VfnfWsqw+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=NTkG
-----END PGP PUBLIC KEY BLOCK-----