Okay looks like proton does a lot nowadays.
But if someone wants a nice email provider that just works I can't stop to recommend posteo. A german email provider. 1€/month and they are just great. Been using them for 15 years now or something like that and I never had any problems. At least I can't remember any. They also always give out a transparency report[1] and apparently can't hand out much data to governments, because the data is just encrypted and they can't access it.
The only down side I have heard, that people have, is that you cannot use your own domains.