Why are there locks on Santee USPS collection boxes

Per the USPS requirements, mail slot openings must be at least 1 ½ inches x 7 inches, and 30 inches above the floor Horizontal mail slots

The Mailmate Size Guide is intended to be used for USPS letters and envelopesflats A weights and dimensions table for postcards and packages is also included

usps mail slot requirements Lock the parcel compartment and drop the parcel key in the outgoing mail slot of the community mailbox post office We'll leave a delivery notice card

super slot 365 Our mail slots include flaps which make them ideal for using on the front of a wall or a solid door Our courier boxes are great for both collecting and