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 Using Captcha to screen out Spam
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ILH

Canada
120 Posts

Posted - Apr 27 2009 :  12:01:02  Show Profile  Reply
Has anybody had any success building a sign-up page using a captcha script (a visual representation of scrambled letters).

I can create one and put it in to a form, but where I have problems is that it the PHP forms will only allow one string per variable. In other words, if I have multiple groups for sign-up, the PHP mailer will only send the name of one of the groups, even more than one has been selected.

I'm getting more and more spam on my current form. Anybody have solutions / suggestions?

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Ian Hubling
ian@hubling.com

xequte

7504 Posts

Posted - Apr 28 2009 :  14:20:59  Show Profile  Reply
Hi Ian

We added CAPTCHA to this forum and it has reduced the level of Spam signups.


> PHP forms will only allow one string per variable

So you only receive the first checked value when your form has multiple checkboxes with the same name?

That is likely to be a limitation of the particular script rather than PHP in general. Either find a better script or a PHP programmer.



Nigel
Xequte Software
www.xequte.com
nigel@xequte.com
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Douggg

USA
211 Posts

Posted - Apr 28 2009 :  15:28:38  Show Profile  Reply
Do you know about Amber?

It's a script that caputers your captcha amd presents it on an "Amber" site. If you type in the captcha Abber takes off an article of clothing. The Amber captcha is your captcha... Get it?

It's a way to defeat captchas. (Clever isn't it?)

Douggg
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