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.
You may enable the option Hide Empty Fields in the Advanced section of the auto-responder so that the empty/hidden fields will not be displayed in the email.
Please be noted that the feature shall be working only with the default email template. If you have made any changes to the email template, all the fields will be displayed normally.
Hope this information helps!