Location matters too: according to SILive, curbside mailboxes should be mounted 41 to 45 inches above the ground and positioned 6 to 8 inches back from the curb. In areas without raised sidewalks ...

Its predecessor was likely to be any old carton found lying around a farm, tied to a stick and stuck in the ground ... design that would be sturdy and weatherproof. The Tunnel mailbox was designed ...