How to create a form autoresponder?

Do you have the option of sending a confirmation email of their registration after they click SEND?

Yes, you may use an autoresponder, it will send an email to your submitter, the email will have the submitted data and you also may customize it, take a look on this guide to get further info about how to do it: http://www.jotform.com/help/26-Creating-a-Form-Autoresponder.

Let us know if you have more questions.