Secure your email communication with free software – A guide for installing, configuring and using Mozilla Thunderbird, Enigmail, and GnuPG to provide secure and encrypted email [GNUs]
Highly recommended. I use enigmail too.
FOSS technologies explained
Secure your email communication with free software – A guide for installing, configuring and using Mozilla Thunderbird, Enigmail, and GnuPG to provide secure and encrypted email [GNUs]
Highly recommended. I use enigmail too.