I've been trying for the past week or so to break into the self-hosted email game since I had a VPS and found some tutorials and documentation for postfix + dov

I've been trying for the past week or so to break into the self-hosted email game since I had a VPS and found some tutorials and documentation for postfix + dovecot. I did eventually get inbound and outbound email working although I was using an alias when I think I needed to use a virtual mailbox (to both receive and send email from a user with a different name from the unix user behind it, as right now outbound still leaks my unix username). But then I looked at Protonmail's cost and it's less than I'm paying for my VPS (which is already cheap for the use I get out of it) so I'm on the fence whether I keep hammering away at that (and then have to wrestle with the big players treating me like a spammer and do my own spam filtering) vs just pay for that convenience. The VPS is staying in any case so it's just a question of whether I pay a little more every month for convenient secure mail.