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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 pgp.mit.edu, but there are many others.
- Mac users: https://gpgtools.tenderapp.com/kb/gpg-keychain-faq/how-do-i-find-my-public-key-how-do-i-share-my-public-key
- Linux users: Generate and Share a Public Key
- Windows users: http://gpg4win.de/handbuecher/novices_8.html
- Web Browser: Copy your public key out of the "Display Keys"/"Export" dialog. Paste it into the form at https://pgp.mit.edu/
Getting keys
Sending Encrypted messages
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