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 could accomplish this with conditionally sent notifications:
Setup & Embed > Conditions > Select Send an e-mail after submission
You would set up two notifications. One that is sent upon initial submission, this one you already have, then one similar but with the subject changed to "Update".
You would then have a field in your form to mark as updated or not. You would then have your notifications sent based on which option is selected in that field. You would then have a second notification sent only for updates.
If anything is unclear, let us know and we will be happy to assist you further.