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.
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That is very much possible to achieve. You can add all the email addresses separated by a comma "," in the "Recipient Email" section of your notification alert. Please be informed that your recipients will see who all received the notification email.
Here is a guide which should help you: http://www.jotform.com/help/39-Send-Notifications-to-Multiple-Recipients
Another way is to add 5 different notification alert in your form. Here is a guide which should help you add notification alert: http://www.jotform.com/help/25-Setting-Up-Email-Notifications
Hope this helps.