It's the same with my email server - nothing really works, I have spamassassin and the spammers pass that through their behinds. Basically what Ihave is, everyone's blocked, then I clear emails to who ever I meet/know.
Here's one way to do it; all new users, can not post - they have to leave a legit email address when they sign up, so a mod can contact them and make sure who they are. This would eliminate the spam.
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