FedEx Smart Post is a cost effective way to deliver your package right to your door using the state of the art FedEx tracking and delivery system. By utilizing the U.S. Postal Service® for final delivery, FedEx Smart Post reaches every U.S. address, including P.O. boxes and military APO, FPO and DPO destinations. You can even use FedEx Smart Post to ship to Alaska, Hawaii and all U.S. Territories.