Related Clues:

• Vacationer's accumulation, perhaps
• Letters in a box
• E or G follower
• Bills, circulars, etc.
• Post office sackful
• Postal delivery, informally
• Weekday delivery
• It may be junk
• It often contains lots of letters
• It might be four letters
• "You've got __"
• Vacationer's accumulation
• Drop in a letter box
• Postal deliveries
• Letters and such