Well, good luck setting up even a Joe Schmoe Email Services Company whose email is deliverable.
In the other HN thread about self-hosted email I've heard it essentially amounts to paying for racket protection so the big players don't "oops we accidentally blacklisted you, good luck trying to rectify that" you.
In the other HN thread about self-hosted email I've heard it essentially amounts to paying for racket protection so the big players don't "oops we accidentally blacklisted you, good luck trying to rectify that" you.