In facebook pages,is there any way that users can only submit once?

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    Asked on January 25, 2011 at 03:33 AM

    I don't want users can complete my form more than one time. Is there any way to do this?

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    Answered on January 25, 2011 at 10:34 AM

    Yes, JotForm has a feature to check uniquness by cookie and IP address.  Click on "Preferences" on the toolbar to enable it: