Besides the accessibilty issues with CAPTCHAs, I also find it a burden
put on your user that is not necessary. It's not their fault that
spammers abuse your form. They shouldn't be punished for it. There are
other solutions - simply dynamically named hidden fields already
eliminated 99% of spam on my site. 
If you don't have issues with JS, then the following is a good
solution:
 
http://cfformprotect.riaforge.org/
 
Eliminated 100% of form spam in all the sites I've implemented it. And
that's only with 4 of 5 security levels activated.
 
a.

>>> [EMAIL PROTECTED] 16/04/2007 8:47 pm >>>

I have a feedback form on our website, and we're getting a lot of SPAM.
 I don't know if it's because we're using mailto in the cf code or
because we're not using some sort of image verification on the form (I'm
sure it's a combination of the two).  Does anyone know of a good CF
based form validation/image verification code to help make our feedback
section more secure? 



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