NSA-proof Your E-mail in 2 Hours
Today we kill your excuses. Because I’m going to show you exactly how to do it, it’s going to take about two hours to set up, and it’s a “set it and forget it” kind of setup. Not only that, but it is actually going to be better than GMail, from a purely features perspective. It might surprise you to learn that people continue to develop email server software in a post-Google-apps world, and that the state of self-hosted is much better than you remember.
However, the e-mail is probably still moving between servers in cleartext, and also stored on the servers of your correspondents. You could use PGP, but:
For those who seek to preserve their privacy by encrypting their communications, in effect shielding themselves from the ominipresent “Eye”, the gloves come off and they can be declared non-U.S. citizens for purposes of sidestepping any pesky “Constitutional” restrictions