Log5J

This isn't really sustainable, email relay is the way to go.

I became a sysadmin, I like being able to learn to get around problems. But an outsider just sees someone spending all morning fiddling with winetricks when it 'just works' on windows.

I came here hoping that someone else thought of this

You can block them with a Pi-hole. ^DNS

Use a relay service, like simplelogin or mozilla relay.