Send Message to Team Email Address not in system

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Hello - We are looking to use the 'Send Message to Team' feature in recruiting but we would like to send the message through email to a specific shared inbox for our recruiting coordinators. When you are in the add recipients section you can only choose current system users. Is there a way that we can send to an outside email account? If not, does anyone have advice on creating a "dummy" account with this email attached so we can use it from the drop down? Thanks!

Hiring> Select candidate> Actions> Send Message to team