Related Clues:

• Audible testosterone-fuelled letters
• Postal system (facetious)
• Turns up, the foreign credit application, for the most part, is in the post
• Contents of some drop boxes
• Almost-daily delivery
• Package is right in place being sorted
• Cover of knight?
• Letter carrier's delivery
• Post office supply
• Bills in a box
• Large number have a complaint when it goes astray
• Armour; posted items
• There are more than four letters in this
• FedEx pick-up
• Jump back, receiving Catholic item in post