Another guard against automated inputs is a Turing test (also known as CAPTCHA). I'm seeing more and more of them these days.
http://en.wikipedia.org/wiki/Captcha http://pear.php.net/package/Text_CAPTCHA The effort you expend all depends on how valuable the data is and how much of a problem it is when you will inevitably get bogus inputs. James -- [email protected] http://www.kernel-panic.org/cgi-bin/mailman/listinfo/kplug-newbie
