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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    Can I block a user

    Asked by arsdbombers on January 11, 2011 at 07:37 PM

    I would like to know if I can block a user that is using my form to vote more then once?

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    JotForm Founder

    Answered by aytekin on January 12, 2011 at 06:25 AM

    You cannot block a particular user. But you can prevent people from submitting forms more than once. 

    Click on "Preferences" button on the toolbar, then change "Unique Submissions" to "Strict Check".