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 checked your email logs but I did not find anything wrong except for one that failed. Can you check your gmail's spam folder if in case the emails anded there?
For reference, you can check this guide to learn how to view your email activity logs: https://www.jotform.com/help/293-How-to-View-All-Your-Form-Email-History
If you have further questions or if you need assistance, please let us know.