Thunderbird/Enigmail/OpenPGP

= How to send encrypted emails =
 * ...using PGP, GnuPG, OpenPGP Keys, subkeys and certificates

https://www.mozilla.org/en-GB/thunderbird/ or yum install thunderbird yum install thunderbird-enigmail
 * 1) Install Thunderbird
 * 2) Install Enigmail addon

http://keyring.debian.org/creating-key.html https://wiki.debian.org/subkeys http://pgp.mit.edu/
 * 3) Create your key, subkey, share your public key ;)