Outgoing Mail Slot

How do you mail a letter when you just have a mail slot? outgoing mail slot An alternative form of mail reception allowed by the USPS is a door slot As shown below, a door slot is a rectangular-shaped hole in which mall 789lady slot Letter carriers can pick up mail as they make their deliveries if the flag is up Outgoing mail may be handed to the letter carrier if: Correct postage has

abus slot If you have a door slot, then I have no idea of how you would do it though I just put my outgoing mail in the mail slot under the flap My mail