Can I switch from a door mail slot to mailbox? : rUSPS

Door Mail Slots Wall-Mounted House Mailbox mailbox for door slot Total Slot Dimensions: 13 in W x 4 in H; Door Dimensions: 10 in W x 2 in H; Weight: lbs; Stainless Steel Finish; Mail Slot Sleeve Sold Separately mailbox drop slot Custom Outgoing Mail Slot for Vertical Mailboxes Door Size: 16H x 5-12W Features: Vertical Mailboxes are USPS Approved ONLY for

mailbox slot for door The front door of my condo has an unused mail slot in it In order to