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.
If you mean to send emails to your respondents after they have successfully submitted your form, then you need to set up an autoresponder email on your form. Here's a guide: Setting-Up-an-Autoresponder-Email
However, if you also wish to receive an email every time your form gets submitted, then you can set up a notification email on your form. Setting-Up-Email-Notifications
You may also find the guides below helpful.
I hope this helps. If you have other questions regarding this, please feel free to contact us again anytime.