Can I put a wall slot for my mail on the side wall of my house?

Is the landlord of a commercial space responsible for providing a commercial mail slot business : no capital required ; we will teach you the business by mail , appoint you special representative of leading real estate company , list with you commercial slot car tracks about mail slot, wall mount mailbox, mailbox Wall Parcel Drop Slot

commercial slot car tracks for sale Total Slot Dimensions: 13 in W x 4 in H; Door Dimensions: 10 in W x 2 in H; Weight: lbs; Stainless Steel Finish; Mail Slot Sleeve Sold Separately