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.
I think you have not setup email alert correctly, Please refer this guide for more information on How to setup email alerts to prevent email bouncing related issues and how to Setting Up Email Notifications
Let us know if you need further assistance.
Upon checking your form, it appears that you have not setup your notification email correctly. As Jalaludeen has said, please try to refer on this guide: http://www.jotform.com/help/208-How-to-setup-email-alerts-to-prevent-emails-not-being-received-issues to learn on how to setup your notification correctly.