How to Encrypt Email in Linux

If you’ve been thinking of encrypting your email, it is a rather bewildering maze to sort through thanks to the multitude of email services and mail clients. There are two levels of encryption to consider: SSL/TLS encryption protects your login and password to your mailserver. GnuPG is the standard strong Linux encryption tool, and it encrypts and authenticates your messages. It is best if you manage your own GPG encryption and not leave it up to third parties, which we will discuss in a moment.