Mail Slots - Commercial Door & Storefront

Mail Slot - 13 #28506 mail slot If you have a solid wood door, you can place the mail slot anywhere, but if you have a paneled door, you'll need to install it on a strong, non-paneled part of mailbox for door slot Can someone please show me what the mailslot in the hp 18 autoloader is used for?

mail slot door MAIL SLOT definition: 1 a rectangular hole in the door or in a wall near the entrance of a house or other building… Learn more