Please post this. I'd love to play with it and, especially, see how fast it is.
Seconding this comment, as someone who loves JMAP.
Code is here: https://github.com/josephg/claude-mail
The JMAP client itself is hosted here: https://seph.au/claude-webmail/
I can't prove this but its a purely static web app. You need a jmap server to use it. If you use stalwart, set:
server.listener.http.permissive-cors = true
server.listener.https.permissive-cors = true
Seconding this comment, as someone who loves JMAP.
Code is here: https://github.com/josephg/claude-mail
The JMAP client itself is hosted here: https://seph.au/claude-webmail/
I can't prove this but its a purely static web app. You need a jmap server to use it. If you use stalwart, set:
or Then you should be able to put https://localhost:8080/ into the URL box. It should also work with fastmail, but I haven't tested it.