The issue with mail is that it is supposed to be a reliable service where people can contact you on a multi-year or multi-decade span. Sure it is fun to self h

The issue with mail is that it is supposed to be a reliable service where people can contact you on a multi-year or multi-decade span. Sure it is fun to self host mail in your Raspberry in the garage. But for many people the reliability of standard providers is a necessity. And that's even without accounting the anti spam filters