What is JotForm?
JotForm is a free online form builder which helps you create online forms without writing a single line of code. No sign-up required.

At JotForm, we want to make sure that you’re getting the online form builder help that you need. Our friendly customer support team is available 24/7.

We believe that if one user has a question, there could be more users who may have the same question. This is why many of our support forum threads are public and available to be searched and viewed. If you’d like help immediately, feel free to search for a similar question, or submit your question or concern.

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    i created a form with an e-mail address, but i dont want people to send them e-mail more than once, how i can do that ?

    Asked by fwmas on October 25, 2011 at 10:17 PM

    like IP filter or something that don't allow one ip to fill the form more than once!!

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    JotForm Support

    Answered by abajan on October 25, 2011 at 10:36 PM

    Please have a look at "What does Unique Submission Mean?"