using gnupg with web-based email

[Joey Harrison]

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

Is there anyway to use GnuPG with a webmail, such as Yahoo! or Hotmail?
 And yes, Gmail is web based, but it has POP access also, so I use
Thunderbird with Enigmail.

Thanks
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.1 (MingW32)
Comment: Using GnuPG with Thunderbird - http://enigmail.mozdev.org

iD8DBQFCPdM0yRZ2es9m7m4RAoJDAJwPME8drffKb+ok1d94i/eo4aWGRACeMD2b
l3q0BfPGCjhzWIYmrc41NYw=
=cidH
-----END PGP SIGNATURE-----