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.
Form notification email is different with your account email address.
Here's how to change or update your form notification email http://www.jotform.com/help/41-Finding-out-E-mail-Address-used-for-submission-notifications
However, if you mean changing your account email address, just go to your account settings page under profile tab. http://www.jotform.com/myaccount/