Mail Box Slots

Can I switch from a door mail slot to mailbox? : rUSPS mail slot box Heavy gauge brass backing plates, and lovely lost wax cast antique reproduction mail boxes and vintage mail slots are great for restoration, mailbox slot cover Kate and Laurel Linch Metal Antique Wall Clock Mail Organizer, Blackby Uniek Inc $25 Free Shipping E1 Economy Mailbox Locking Insert Onlyby QualArc

mail slot cover box An extra address to securely receive mail Lock the parcel compartment and drop the parcel key in the outgoing mail slot of the community mailbox