How are submitting the form? on your form process page you could make sure 
that the referrer is the actually Form URL.

Also I've implemented a key which gets submitted along with the form, the 
key is unique to each visitor and without it the form doesn't get processed, 
and if the key contains a time stamp (encrypted of course) i check to make 
sure that it's within an allowable span of time.

jonese

On 9/13/05, Mickael <[EMAIL PROTECTED]> wrote:
> 
> Hi,
> 
> One of my clients is getting bombarded by some jerk, connection to a
> form on his webpage and filling out the fields with junk and submitting
> the forms. What can I do to prevent a computer from filling out my
> forms. I don't really want to use that crazy jumbled image where to you
> type in the letters you see.
> 
> Any advise?
> 
> Thanks
> 
> Mike
> 
> 
> 
> 

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