Related Clues:

• Much of it is junk
• Six-day-per-week delivery
• Irishman, maybe, turned up for post
• What was the man of letters expecting - to be slung out of Mulligans?
• Contents of AOL folders
• Stamped delivery
• Delivery by USPS
• What the postman delivers
• Letters from the post office
• Letters with stamps
• It's delivered to your house
• It's delivered during the week
• Stamped letters
• Delivered letters
• It may be fed through a slot