First off, used in conjunction with your hack (which I admire BTW, nice work), the two working together would stop pretty much any conceivable attack.
However, there's situations where yours has gaps i.e. posters who drop in, post posts that have conceivably enough text to fool the SpamScan, leave a link, and leave. In that case, the moderators/admins would have this tool at their disposal for easy cleanup and banning of such spammers.
Also, say a spammer is basically just posting images (we've had this done before, the main reason I wrote this), which really might not pop up on SpamScan's radar. Take it from my fellow PSH admin Crunked, having a tool like this makes cleaning up a 60+ thread attack much easier.
Another thing this does is check IP addresses (which actually works quite well BTW, although I'm working on developing a more encompassing algorithm to catch similiar IP's as well as exact matches). Basically gives your staff a heads up on who else might be lurking around stirring up trouble.
Finally, sending them to coventry's a pretty good idea. I'll probably include that as an option next time around. I hadn't really given much thought to it because basically I didn't want to mess around with spammers sticking around and taking up valuable disk space and bandwidth.
-RD
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