What is another word for mail slot?

Mail Drop Slot & Receptacle mail drop slot MAXIMUM PRIVACY AND SECURITY: This bag of this mail drop box through door is not only made of high-quality fabric, but can also block peepers from looking mail slot for door SNAIL SAKK: Mail Catcher for Mail Slots

mail box slot slot , sieved out any letters addressed to her , and took the remaining inside She would then drop the mail into her father's lap He would look down at the