how can form contents be directed to an email address?

You can setup email notification: http://www.jotform.com/help/25-Setting-Up-Email-Notifications 

And if you want to redirect to the email address that the users enters in the form, the you can create an autoresponder: http://www.jotform.com/help/26-Creating-a-Form-Autoresponder 

If you need anything else, please open a new thread, we will be glad to assist you.