| Mail to a movie star | 20 |
| Mail to a knight | 16 |
| Mail to a creditor | 18 |
| Mail time? | 10 |
| Mail that must be picked up | 27 |
| Mail that isn't opened | 26 |
| Mail that bears the stamp of the past | 37 |
| Mail svc. that may cover a general store | 40 |
| Mail svc. option | 16 |
| Mail suits | 10 |
| Mail status | 11 |
| Mail stations: Abbr. | 20 |
| Mail stations | 13 |
| Mail staple | 11 |
| Mail sorting ctr. | 17 |
| Mail service, to M. | 19 |
| Mail service with an extra fee | 30 |
| Mail service made obsolete by the transcontinental telegraph | 60 |
| Mail service in the sticks (abbr.) | 34 |
| Mail rtes. | 10 |
| Mail rte. | 9 |
| Mail room worker | 16 |
| Mail room sights | 16 |
| Mail relay in India: Var. | 25 |
| Mail recipient's bane | 25 |
| Mail recipient | 14 |
| Mail receiver, in brief | 23 |
| Mail receive | 12 |
| Mail program command | 20 |
| Mail program button | 19 |
| Mail privileges | 15 |
| Mail place: Abbr. | 17 |
| Mail piece: Abbr. | 17 |
| Mail payment | 12 |
| Mail palabra | 12 |
| Mail over | 9 |
| Mail out again | 14 |
| Mail out | 8 |
| Mail org. | 9 |
| Mail order shipment insert | 26 |
| Mail order pioneer __ Montgomery Ward | 37 |
| Mail order pioneer | 18 |
| Mail order option, for short | 28 |
| Mail order option | 17 |
| Mail order company employee | 27 |
| Mail order book | 15 |
| Mail order abbr. | 16 |
| Mail or ship | 12 |
| Mail or gum | 11 |
| Mail or fax | 11 |
| Mail off | 8 |
| Mail numbers | 12 |
| Mail no. | 8 |
| Mail motto word | 15 |
| Mail may be sent in this | 24 |
| Mail man? | 9 |
| Mail man: Abbr. | 15 |
| Mail man | 8 |
| Mail letters? | 13 |
| Mail letters, in the past | 25 |
| Mail letters | 12 |
| Mail in Paris | 13 |
| Mail in owed money | 18 |
| Mail in Metz | 12 |
| Mail in a box | 13 |
| Mail in | 7 |
| Mail hub: Abbr. | 15 |
| Mail HQ | 7 |
| Mail hole | 9 |
| Mail holders | 12 |
| Mail holder | 11 |
| Mail from Ma Bell | 17 |
| Mail from a sweetheart | 22 |
| Mail for one with a malady | 26 |
| Mail for King Arthur | 20 |
| Mail for Arthur? | 16 |
| Mail for a tilt | 15 |
| Mail for a knight | 17 |
| Mail folder | 11 |
| Mail drops | 10 |
| Mail drop, e.g. | 15 |
| Mail drop letters | 17 |
| Mail drop | 9 |
| Mail destination: Abbr. | 23 |
| Mail destination | 16 |
| Mail depository | 15 |
| Mail dely. compartment | 22 |
| Mail delivery, to Brits | 23 |
| Mail delivery rental | 20 |
| Mail delivery paths: Abbr. | 26 |
| Mail delivery org. | 18 |
| Mail delivery assignments: Abbr. | 32 |
| Mail deliverers in the Harry Potter books | 41 |
| Mail deliverers at Hogwarts | 27 |
| Mail deliverer's woe, maybe | 31 |
| Mail deliverer's path | 25 |
| Mail ctrs. | 10 |
| Mail ctr. | 9 |
| Mail conveniences ... or a hint to eight squares in this puzzle | 63 |
| Mail convenience: Abbr. | 23 |