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[Mario]

I see you have a lot of spam registrations. You might want to change your captcha, and purge the database a bit. a simple php script could do it. just back up the database before doing it. (just in case),

[madness]

A couple of months ago I decided to modify the scripts so users with less than one post aren't displayed anywhere in the site.

I had a few problems and it didn't work out, I'll try it again because I can tell that the spam users is getting out of hand.

I recently installed some more advanced captcha script, have no idea how there getting past it, I believe there people and not bots, but maybe there up to date with the latest commonly known scripts I've been using.

[Mario]

just make a mysql_query that deletes all users that did not activate their accounts, or have 0 posts.