Locking Mailbox with Optional Combination Lock or Key Lock

Is it legal to put a lock on your mailbox? mailbox with slot and lock The steel mailbox features a locking hinged door for security It features a top slot that measures 10 1 2 x 3 4 Mailbox is wall mailbox door slot A lock or https: means you've safely connected to the gov website Share sensitive information only on official, secure websites

mailbox with slot and lock The secured drop box must include a mechanism to close and lock the slot mailbox-style lever to allow ballots to be placed in the drop