You should self-host your mail server

This article seems a bit lackluster. But in my notes I have this which looks better. I think it might be manageable but I haven't set up my own yet. Other projects first

I've never done it before, but from what I've seen, the hosting itself isn't the hard part. The hard part is when you come across a website or email server that blocks you because you're not using an email address linked to a major corporation.