Spam filter is failing today

[XFFA.IR Bot]

Hello. Our forum has been live for about six months. The spam filter has done a very good job keeping the suspicious users out, and letting the legit users register and begin posting. We are using hcapcha , checking registrations on the stopforumspam database, and sending for moderation if one flag is detected. Until today that was enough.

But we really got whacked this afternoon. The registrations looked just like the other ones that were caught - crazy gmail addresses (...

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