Locking Mailbox with Hopper Door Demo Review

SPYLOCK Letter BoxMail BoxWall Mountable with Key Lock (Red locked mailbox with slot The wall mount mailbox has a large capacity, and it can hold a lot of mail and packages The wall mount mailbox comes with a lock, which provides extra security locked mailbox with slot Buy Outside Wall Mount Mailbox with Key Lock Waterproof Easy to Install with Slot at Aliexpress for Find more 15, 37042004 and products

locked money box with slot 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,