Installing a mail slot in the exterior wall?

wall mail slot   Dan wall mail slot

Through The Wall Mail Slot, Two Piece Deposit Chute Drop for Documents, Mail, Checks, Payments

Vintage mail bill organizer with key slot mail keeper Wooden wall hanger Kitchen decor  The one-piece Vertical Mail Slot fits discretely into any wall or door with ease The two-piece Standard Mail Slot comes with an interior trim kit and is

star clusters megaclusters slot French Bulldog rushing to the door for postman delivering mail · french yellow Please note: For wall mount mailboxes, the manufacturer cannot anticipate the surface onto which the mailbox will be installed; therefore, mounting hardware is