JMAP is an extension of the email protocol stack; it only replaces IMAP. TMTP is an alternative to the entire email protocol stack. It will be standardized aft

JMAP is an extension of the email protocol stack; it only replaces IMAP. TMTP is an alternative to the entire email protocol stack. It will be standardized after it's been proven in a range of real-world scenarios. The mnm client & server, which implement TMTP, work well today, and have nearly all the features most users need. See docs menu in the online demo. https://mnmnotmail.org/demo.html https://mnmnotmail.org/demo.html Re "serious money", could you elaborate?