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 am using a jotform as a contest entry form. Can jotform limit entries to one per e-mail?

    Asked by DildayTV on January 20, 2011 at 11:36 AM
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    JotForm Support

    Answered by abajan on January 20, 2011 at 08:28 PM

    I may be wrong but to the best of my knowledge, submissions can only be limited to one entry per browser or per IP address.

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    JotForm Founder

    Answered by aytekin on January 21, 2011 at 10:11 AM

    Yes, you can enable "Unique Submissions" from "Preferences" button on the toolbar.

    http://www.jotform.com/help/64-What-does-Unique-Submissions-mean