lol

as far as i am aware protonmail is pretty popular. I am hosting my own mail infrastructure but am considering to switch in the long run

but it is ultimately completely pointless. someone(or rather many someones) made up the OG bible canon and some fanfics are becoming almost canon by being well known. same difference

too big but that doesnt invalidate using linux instead of Windows

until you can no longer log on with just a local Account. or your Data gets backed up for you anyway. Enshittification is one exec decision away

matrix should cover everything you need with the added bonus that you can chat with people from other instances

you could try mailu. that should be simple and Provide you with everything You need

use haproxy instead of Port forwards, that should work just fine and works really well on opnsense

debian. stable, reliable, easy to learn