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 have inspected form you provided and your form has three recipient email addresses set inside of email Notification. All three emails are in bounce list. I have now removed them from our bounce list and it should be working fine now.
You can follow this guide on how to check and remove the email from bounce list.
And this guide How to setup email alerts to prevent email bouncing related issues.
Also you should contact your email provider and ask them to Whitelist JotMails IP Addresses.
I have also noticed that you have tested email Notification using " Test Email " button. Please note that this will always send the email notification only to your account email address. You have to make an actual submission in your form to test the recipient email of the form. Please refer to this guide here How-to-properly-Change-and-Test-a-New-Email-Recipient-Address.
Please test your form and check if you are receiving submissions now.
Hope this will help. Let us know if you need further assistance.