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by alttag 2442 days ago
I send unauthenticated email on port 25, every semester, in front of my students, as part of a discussion on internet application protocols. I can't use "God", because the addresses are validated, but I do send "from" the school's IT director. I even give them the commands to do it themselves (along with a strict talking to about how it's not truly anonymous because their network access is authenticated).

I've been able to do it at every university I've studied or worked at.