What is the preferred lockable single mailbox for postal carriers?

slot in the top, like a tiny mailbox Where the paint is nicked, little bits of rust show through The Master Lock that secures the lid looks like it's been

What is the preferred lockable single mailbox for postal carriers? Link to mailbox locks on Amazon: 3SHibcL Here

slot in the top, like a tiny mailbox Where the paint is nicked, little bits of rust show through The Master Lock that secures the lid looks like it's been

mailbox for door slot The steel mailbox features a locking hinged door for security It features a top slot that measures 10 12 x ¾ Mailbox is wall mountable

A mailbox with a lock must have a slot that is large enough to accomodate the customer's normal daily mail volume The USPS neither open a

mailbox drop slot slot opening: 12” w x 1-14 H Includes a secure lock with 2 keys Locking Mailbox with

Minimal and nearly indestructible, this sturdy steel mailbox may be easily wall or post-mounted • Crafted from heavy-gauge galvanized steel • Durable