I don't see it mentioned yet that there are some still active, moderated Usenet groups, such as misc.legal.moderated and misc.taxes.moderated, which don't inclu

I don't see it mentioned yet that there are some still active, moderated Usenet groups, such as misc.legal.moderated and misc.taxes.moderated, which don't include spam. Back in the day, even some unmoderated groups were mostly self-moderated, such as the comp.*.oracle and comp.*.perl newsgroups. What spam there was, was posted by humans, not bots, and was quickly ignored to oblivion.