dumb USPS mail question- outgoing mail door slot?

Door Mail Slots Wall-Mounted House Mailbox mailbox for door slot NB: This Letter Box Mail Slot is suitable for doors up to 50mm thick In In mailbox , On the front porch, Under carportveranda, Over the mailbox for door slot When it comes to Mailboxes, you can count on Grainger Supplies and solutions for every industry, plus easy ordering, fast delivery and 247 customer

mailbox drop slot near me I currently have a mail slot that goes into my garage I'd rather have some kind of wall-mounted box by my front door