How do I protect my email slots? Install a Hood or Receptacle
To prevent this, install a metal hood over the top of the slot on the interior side of the door. A hood will allow mail to come in while blocking hands and tools from reaching upward through the slot. Like a hood, an enclosed box allows mail in and keeps would-be invaders out.
Can I have a mail slot instead of a mailbox? Door slots
An alternate to curbside mailboxes is mail delivery using a Door Slot on the front door of a house. The following construction standards apply for a Door Slot: The clear rectangular opening in the outside slot plate must be at least 1-1/2 inches wide and 7 inches in length.
What are mail slots? A Mailslot is a one-way interprocess communication mechanism, available on the Microsoft Windows operating system, that allows communication between processes both locally and over a network.
What is the letter hole in a door called? A “letter box”, or “mail slot” in American and Canadian usage, is a slot, usually horizontal but sometimes vertical, about 30 cm by 5 cm (12 inches by 2 inches), cut through the middle or lower half of a front door.