> they haven’t released it for real use Its been released & in use for years. (Nearly a decade at this point?). The problem is all the big email providers - A

> they haven’t released it for real use Its been released & in use for years. (Nearly a decade at this point?). The problem is all the big email providers - Apple Mail, GMail and Outlook haven't added support. Its a bit of a chicken and egg problem - there's no demand for jmap clients because so few servers support it. And there's no pressure on email servers to implement jmap because so few clients support it. Source: Friends with some of the JMAP authors.