How do i set up a response email?

If you want to setup an Autoresponder, so the submitter get's a notification her is how: http://www.jotform.com/help/26-Creating-a-Form-Autoresponder 

If you want to set up email notifications, so each time your form gets submitted you are notified, please check this guide: http://www.jotform.com/help/25-Setting-Up-Email-Notifications 

Let us know if you need more help.