JotForm is a free online form builder which helps you create online forms without writing a single line of code. No sign-up required.
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.
Regarding the email that will be sent to submitter, what you have to set up is Autoresponder. Autoresponder is an email that is sent to the submitter as soon as they submit your form. What is necessary for you to have on the form is email address field.
You can check more about it in this guide.
If you have any further question, please let us know.