It’s really not that decentralised anymore. I don’t have anything fancy, I just use a custom domain. About every fifth site can’t send email to it. I’ve heard

It’s really not that decentralised anymore. I don’t have anything fancy, I just use a custom domain. About every fifth site can’t send email to it. I’ve heard that if you have your own server, it’s even worse, to the point that you need to pay for some proxy which helps you avoid such problems, and also avoid that almost everything recognise your emails as spam.