Quote:
Originally Posted by thebear8me
Max,
Which type of human verification have you found to be the most effective?
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None of the native vBulletin ones are, anymore. That's the point. Not even email verification - the auto spam programs have completely defeated the human verification of the most popular mail servers too. So not only do they have a legitimate account, they also get the verification hash from you anyway, at pageload.
Thus the need for the more clever time based Mods, and good stuff like Ban Spiders by User Agent, which also blocks lots of human spammers as well. (Due to the use of very early MSIE browsers in 3rd world countries and of course, by botnet administrators.)