is there a way to avoid duplicate submissions based on an email that wa

is there a way to avoid duplicate submissions based on an email that was entered into the form? we're using jotform for RSVP and send out emails as well as SMS. some users might fill out the form based on a link they received via SMS and then some time later fill out the form again based on a link received via email. so the IP address/cookie solution might not work since they are submitting on different devices/locations

Hi MFCC,

Yes, you can prevent duplicate submissions based on a certain question. Let's go through it together.

First, click on the SETTINGS tab in the top menu of your form builder and then click on the SHOW MORE OPTIONS button:

Scroll down until you reach the Unique Question dropdown. From here, you can select the form field (ie. the Email field) that will be checked and the form will not accept duplicate submission based on previously entered values in the select form field:

I hope this helps! Please let us know if we can assist further.

that's great. thank you.

we got that working.

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Hello mfcc,

To avoid confusion, I have moved your other query to a different thread. Please check our answer here.

Let us know if there’s anything else we can help you with.