I have a spam free forum with phpBB3 and all I did was the following...
-added a mandatory custom profile field on registration form
-make sure members confirm their email
-first 3 posts and/or threads of new users need to be approved
-users with less than 5 posts can't post links or images and also can not pm other members
Took minutes to set up. phpBB is free and open source with tons of free styles, mods, etc.
http://www.phpbb.com/
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“If you can convince the lowest white man he’s better than the best colored man, he won’t notice you’re picking his pocket. Hell, give him somebody to look down on, and he’ll empty his pockets for you.”
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