Learn how to use Thunderbird, GPG, Enigmail for email encryption and signing

E-mail in its default configuration is not secure. In this challenge we will describe the different methods necessary to secure your e-mail against two known threats.

No sender verification: you cannot trust the 'from' address unless it is signed

Default E-mail communication is unencrypted and can be tapped, just like telephones

Learning to encrypt your email is a great skill to have and to share!