@chesheer As for #Purelymail – it relies on Apache James!

https://james.apache.org

@chesheer #Posteo is boring and working (boring is good). Its only downside IMHO is lack of support for BYOD (= bring your own domain).

Somebody mentioned #Purelymail – it's good and uses an, uhm, interesting stack.

#Fastmail is great, but even for me it has too many bells and whistles, so I don't use it myself (but certainly recommend).

It makes me happy they still have reply attribution (which I coded for them while still being a law student 20+ years ago):

https://www.fastmail.help/hc/en-us/articles/360058753714-Reply-attribution