@Rusty @0xabad1dea Heh. As someone who has his own E-mail server and knows how to run it:
If I were doing it all over again, I would NOT “just" run my own E-mail server.
My boss is a UNIX greybeard with massive experience going a decade longer than me, and even he's stopped doing so for his personal stuff.
It's just... NOT fun these days. Not so much the technical aspect, but the whole "getting the network you're sending from trusted by everyone else" problem.