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 checked and email address of your account is in the bounce list. Our system gave following result:
firstname.lastname@example.org is IN the bounce list
Reason(s) : smtp; 550 5.7.606 Access denied, banned sending IP
I have now removed it from the bounce list.
You can follow this guide on how to check and remove the email from bounce list.
And this guides:
It seems like your email provider have banned our IP address or domain. I would suggest you contact your IT department or your email provider to see if they are blocking emails coming from JotForm. Also ask them to whitelist emails that are coming from JotForm.
Hope this will help. Let us know if you need further assistance.