We talked about aliases for a mailbox and for mail forwarding.  A shared mailbox functions kind of like a public folder that is mail enabled, only easier!   Create a shared mailbox called info@yourdomain.cts   give access to your administrator and a few of your users.

https://technet.microsoft.com/en-us/library/jj150498(v=exchg.150).aspx

https://technet.microsoft.com/en-us/library/jj150498(v=exchg.150).aspx