I’ve been using various incarnations of PGP (Pretty Good Privacy) encryption software for almost as long as I’ve been a Mac user. I won’t go into PGP’s long ...

gpg-mailgate is a small content filter for Postfix + web interface that allows any user to upload PGP keys to your server (and confirm email address), and then will begin encrypting any outgoing mail ...

For their entire existence, some of the world’s most widely used email encryption tools have been vulnerable to hacks that allowed attackers to spoof the digital signature of just about any person ...