tl;dr - This post was inspired by Carlos Fenollosa’s post (and the resulting discussion on HN). Self hosting email is the easiest it’s ever been – don’t let the email provider oligopoly (Gmail, Microsoft, Yahoo, etc) win. Discussion up until now: Deliverability for self-hosted emails has never been harder The top page on HN had an interesting post on it titled “After self-hosting my email for twenty-three years I have thrown in the towel.