Whonix support in TorBirdy Settings
Just like Jondo support got integrated into Tor Birdy, it would be nice if Whonix  could get integrated as well.
Mozilla Thunderbird -> Tools -> Add-ons -> Tor Birdy -> Choose an anonymization service -> Whonix
Socks Host: 192.168.0.10 Port: 9102
Doing it automatically, when the WHONIX environment variable is set.