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Install the software for the OS where you will be exchanging secure email.  Webmail (Google apps, gmail, yahoo, etc) users should use the "Web Browser" plugin Mailvelope.



Generating a Key

 Each GPG user has a unique cryptographic key pair, which includes a public version and a private version.  


Most GPG implementations allow you to easily publish your public key on a key server. This will allow people who know your email address to find your key and send you encrypted email. The most popular key server at EdX is, but there are many others.  


Getting keys


Sending Encrypted messages


Decrypting Encrypted messages