... that the functionality people here seem to expect is not set up by default. Some of the people commenting don't seem to know what needs to be set up, thus the explanation for their benefit, and also an explanation of what exactly is not set up.
Your objection is that the computer does not magically precog the admin's delivery address? Or what? It works fine without DKIM or SPF or any of that stuff; at best you must whitelist the message sender.s
I'm having a hard time understanding you because you refuse to specify "what needs to be set up" and when you have you've been mistaken.
LAN sending is not being "phased out". Email is not being "phased out". Nothing has changed with email policies on any of these distros for the better part of a decade.
