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.
Although I didn't find the form in the website you provided, I have checked the email address associated with your account that you've probably used as a recipient of your email notification and found out that it is on the bounce list.Result: **ed@f***********s.com is IN the bounce list
Reason(s) : smtp; 552 5.2.0 7d6H1t01G1FKi2h01 - 7d6H1t01G1FKi2h01d6JUF
I have removed it from that list and it should work now.
So you could prevent this from happening again, please check the guide below and use it as a reference.