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limit the number of times a user can submit a form

• johnmr March 2012 Permalink

  I'm running a contest where I'd like to be able to limit the form so that one particular person could only submit the form (enter the contest) once. Is there a way to do this in Wufoo? Any help appreciated.
  
  Thanks
  
  JMR
  
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• sdunham March 2012 Permalink

  http://help.wufoo.com/app/answers/detail/a_id/5750
  See the "No Duplicates" option on that page. You can apply it to an email field to stop a user from entering multiple times with that email address. Of course they could just use a different address. You can also limit the form based on IP address, but you'd run into a similar problem since IP addresses have a tendency to change.