I use DuckDuckGo email aliases when sending emails. For instance, when sending an email to [email protected], I would use "[email protected]". Its a combination of "[email protected]" (destination) and "...
Add the option to have all emails synced and/or sent over the Tor network via an option under "Network" in Settings to connect to localhost:9050 (for the Orbot app) or whichever Socks5 proxy the user prefers.
This is a pretty standard feature on a lot of apps nowadays. I too went looking for the setting but alas, it doesn't exist. This could simply be implemented in the same way the Droid-Ify app did. In Display > Theme, have an extra option called "Syste...