costoa
02-16-2006, 08:37 AM
Require new members to pass a captcha test. This should solve most of the problem. BTW, instead of generating a new captcha for each visitor just make ~1k of your own "as random as you can get" captchas to save cpu time.
Captcha : "completely automated public Turing test to tell computers and humans apart" (http://en.wikipedia.org/wiki/Captcha)
Captcha : "completely automated public Turing test to tell computers and humans apart" (http://en.wikipedia.org/wiki/Captcha)