[thelist] CAPTCHA

Sarah Adams sarahwbs at gmail.com
Mon Jun 8 11:32:24 CDT 2009

>> I've been using simple humanising questions: Is water wet or dry?
> That's what I use also.  Did a lot of research before deciding on that
> solution and it's very effective, easy for the users to understand and
> quick to implement.

Another simple solution, which may or may not work in your case, is to
add a hidden field to the form which is meant to remain empty. Since a
lot of bots will automatically fill every field with garbage, you'll
know that if that field has a value that it was submitted by a bot.

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