You are to me like a person that says the LN doesn't work.  Since I do it EVERY day, any claim that it can't be done, is too hard, etc. is not worth listening to.   

 Maybe read @Jameson Lopp's article. He worked on email software for a decade, and has far more experience than you or I.

https://blog.lopp.net/death-of-decentralized-email/amp/