It's wild that something as pedestrian as hosting your own email comes with a pile of caveats comparable to those attached to browsing I2P or using cryptocurrency to buy stuff.
> It's wild that something as pedestrian as hosting your own email comes with a pile of caveats
No, it's not "wild".
Its just that we're in 2022, not 1997.
Long gone are the days of "fire up Sendmail and you're good to go".
To those thinking of self-hosting, I would say they should start by understanding modern anti-spam.
Understanding modern anti-spam will not only help them with their inbound email, but will also help them understand how to ensure deliverability of their outbound email too.