Posted by KRB on 2010-04-12 13:14:16, Monday
In reply to OpenPGP and PGP? posted by I have no idea on 2010-04-12 12:21:55, Monday
There is no problems with two user, one using PGP, one using OpenPGP, to exchange encrypted email. There is also a version called GPG, which is also compatible. OpenPGP and GPG are free.