An email service using nostr would be awesome.
Might even be  better if an email service is coded with #rust over #nostr
https://m.primal.net/HdVI.png 

Found an old NostrMail repo here: 
https://github.com/asherp/nostr-mail/
https://m.primal.net/HdVH.png 

nostr:note1uj86mxhgfx54kyrf7dxfrc5a7r9kt6cyxaz092rs0e0dhvfzlfws0xqgny