return email

@TimGarrity - Are you asking how to setup an Autoresponder Email (e.g. an email that will be sent to your users/respondents after form submission)? If so, just follow the guide I'm linking below.

Complete guide: Creating-a-Form-Autoresponder 

In case we misunderstood your question, just get back to us with a bit more info and a clearer description of what you're trying to do so we can better assist you.