Imported From: http://groups.google.com/group/in-portal-dev/browse_thread/thread/709f3e710b1139d0#
Any of you probably heard about spam bots, which submit spam to forms on
our websites.
Most obvious solution would be to place a captcha on a form. But I don't
like captchas because they make entering data on a form a lot harder for me.
If I see form with a captcha I'll better go to another website without
captcha and fill out form there.
If you think the same, then reading
http://nedbatchelder.com/text/stopbots.html article might become handy.
Ned there describes popular techniques to prevent bot submissions.
*P.S.*
I know S.G. had submitted one technique somewhere in groups, but I can't
find it. If you can, then please link here.
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Best Regards,