JotForm is a free online form builder which helps you create online forms without writing a single line of code. No sign-up required.
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I checked your form and you need to enable the send Post Data Feature in your form:
I also could not find the clone form needed for this process. Or are you sending the information to a website? If so please provide us the url so we can be of more assistance.
You can see here more details on how to send post data with PHP.
Please get back to us if further support is needed.