JotForm is a free online form builder which helps you create online forms without writing a single line of code. No sign-up required.
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 checked the email history log of your account and see that there were few email notifications were failed. However, it looks like it is not happening now. I have tried submitting one of your JotForm and see that the email notification was sent fine.
We request you to go through the guide below that can help you with troubleshooting email delivery issues.
Please get back to us if the issue still persists. We will be happy to assist you further.