>ban them permanently
They just switch proxy/vpn, if they use the same IP in another wave of spam, that's pure coincidence
>site and might get taken down for good
The recurring spam is deleted every time, the site won't get taken down.
>spammer [...] will get some of the finest moments in jail
He does this for 6+ years now. He will never going to jail. A more disturbing thought: what if law enforcement does the whole thing...