1. Thunderbird with Enigmail plugin.

2. Four emails from List Moderator

3. First email contains the Instructions.

4. Second email contains the List Moderator key. Click "Decrypt" to import this key

5. List Moderator Key imported

6. Set Owner Trust to "full" for the List Moderator public key and sign the key locally.

7. The third email contains keying material for the list. Enter secret passphrase given by List Moderator

8. Decrypted second email.

9. Click "Decrypt again". The decrypted message contains keys.

10. Select the message. Click Edit - Copy

11. Paste the message in a Text Editor. Save the file

12. Click "Import keys from file".

13. Select the file

14. Keys imported

15. Change passphrase of list decryption key to be same as your signature key for ease of use.

16. The fourth email is a notification sent by List Server to inform the user that his corresponding keys have been successfully installed and he is ready to send and receive secure email.

17. Compose a signed and encrypted message and click "Send"

18. The List encryption key is chosen by default to encrypt the message.

19. Decrypted and Verified Message received on list.