[munchlax]

Right. You better not self-host like it's 1984 because that would also mean you're an open relay. And vulnerable for pretty much anything you can think of.

[xmx98]

This config doesn’t make an open relay.

[rascul]

This config wasn't available in 1984.

[man8alexd]

A typical config from 1984 is an open relay and vulnerable to the Morris Worm.