FastMail is behind this protocol and from what I've read JMAP has evolved out of their web interface. I've been a happy customer, even though lately I flirted with going back to GSuite for my personal email, but after a trial realized that Gmail does many things well, except for being a good email service. So I went back to FastMail and renewed for another 2 years. Seeing this new protocol is exciting, because JMAP i…
I can't even begin to consider using it at the price point I presume I'd be in.