My mailbox has a key lock on it and a slot at the top for the mail to go

Weatherproof Wall-Mount Lockable Mailbox with Parcel India locked mailboxes with slot -- You could point out Section - Locked Box - of the Domestic Mail Manual locked money box with slot There are mailboxes you can get from the post office or perhaps online which locks, but the mail carrier can put mail in it sometimes they

locked mailbox with slot Connect an external storage device or insert an SD memory card into the card reader: Don't force the card into the slot on the reader; it fits only one way