Black Locking Mailbox or Locking Drop Box

tl;dr: Adding a lock yourself may not be legal, but you can buy a USPS-approved mailbox with a lock The box will need a mail slot or similar,

Sometimes the outgoing slot can be too narrow for larger greeting cards Our locking box has 2 large locking bins for incoming packages If you

locked mailboxes with slot DEAYOU Wall Mount Locking Mailbox, Secure Mail Box with Key Lock · Weatherproof Galvanized Steel Cover Metal Drop Box, Outdoor Dropbox with Slot

locked mailbox with slot For a locked mailbox, the delivery person simply pushes in the letters and parcels that can get through the front slot of the locking mailbox