USPS Shows Item Delivered but No Item in Box -

The clear rectangular opening in the outside slot plate must be at least 1-12 inches wide and 7 inches in length · The slot must have a flap, hinged at the top

Incoming Mail First class letters and parcel notifications are usually placed in TCU Boxes by noon · Outgoing Mail Mail deposited in the mail slot before 4:30

usps mail slot requirements mail, like the ones still in use at the Madeira Post Office The new They don't even have a pull-down flap, just a tamper-proof slot

crack the bank hold and win slot The bottom of the door slot should be at least 30″ above the floor The horizontal compartments should have a flap hinged at the top surface Vertical slots