[Mailman-Users] gpg to each subscriber?

[Mike Diehl (Encrypted email preferred)]

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

Is there any way to have mailman/exim/whatever gpg encrypt email going to 
mailing list subscribers?

TIA.
- -- 
Mike
gpg key: http://diehlnet.com/~mdiehl/mdiehl.asc
83AD D927 758D 4BFC A800 0277 4B26 75A4 F0D1 C7EB

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.2.4 (GNU/Linux)

iD8DBQFBPyrTSyZ1pPDRx+sRAgz+AKDKJPv3Y+ik7WVmfBSYGQQP2fxszwCeNZL3
ZB711b9mCHVlaBMGn/+M6Ek=
=FVK8
-----END PGP SIGNATURE-----