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 presume you would like to change the sender email? If you would like to use your own email as the sender email, you can follow any of the guides below:
I highly recommend using the SMTP details of your email.
If what you mean is how to change your recipient address for your form's email notifications/autoresponders, you can follow this guide: http://www.jotform.com/help/41-How-to-find-and-change-the-email-address-used-for-notification-email
Let us know if you need more assistance on this.