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 would suggest to check this guide to see how to properly change your email and to test it out as well: How to properly Change and Test a New Email Recipient Address.
Of course, if you have any questions along the way or after do let us know and we would be happy to answer the same :)