https://www.usps.com/apps/informed-delivery.htm
The Informed Delivery mobile app features all the mail and package management essentials you love, at your fingertips.
informed deliveryappusps
https://www.usps.com/manage/informed-delivery.htm
Informed Delivery is a free service from USPS that shows you preview images of incoming mail, plus status updates about your incoming and outbound packages....
informed deliverymailpackagenotificationsusps