Damn! They found me! 
Discussion
Anybody working on improving that? I have some ideas but no time.
Pretty sure this is protocol level shit. Not sure if anyone is working on it but I hope so.
Definitely protocol level. But you could establish a channel (somehow. That'sthe hard part) then sends to that channel would allow full end-to end encryption, including sender, receiver, and even a new channel ID to use for the next message.