Stalwart 1.0 is out! It's a mailserver written in Rust and has been in development for the last 5+ years. It supports literally everything, and most importantly all the JMAP stuff. It's also significantly faster than dovecot in most common operations, and is getting better every day.

Our "racist" group that meets irl has Indian, Pakistani, Russian, Turkish, Gay (like, actually), Dutch, British, Polish, Sudanese, French, Japanese-American, Romanian, German, Austrian, Amerimutt and more members, it's true No women though thank God