http://hhldo3tnt5solzj2bwfvh7xm4slk2forpjwjyemhcfrlob5gq75gioid.onion/en/workshops.html
You can also share GnuPG's official documentation and mailing lists, and the Email Self-Defense feedback page. Many GNU/Linux distribution's Web
sites also contain a page explaining some of GnuPG's advanced features. #6 Follow up Make sure everyone has shared email addresses and public key fingerprints
before they leave.