11. Enable Encrypted Media Extensions. 12. Also encrypt to self when sending encrypted messages 13. Always encrypt to myself when sending encrypted messages 14. Disable prefixed Encrypted Media Extensions. 15. Use encrypted transport protocol (HTTPS) 16. This is a digitally encrypted message part 17. This file is encrypted and cannot be played back. 18. The encrypted data is not valid or unrecognized 19. All data is encrypted with your sync passphrase 20. Any files outside of Ubuntu will not be encrypted.
