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.
That is because your primary email address has been placed in our bounce list. I've fixed this to our end, but to prevent this from happening again, we recommend doing the following to your end:
2. Whitelist Jotform. You can see our list of IP addresses and sending domains from this guide: https://www.jotform.com/help/145-Whitelisting-JotMails-IP-Addresses.
For more information with regards to this matter, please check the following guides: