| Answer | Crossword Clue |
|---|---|
| USPS | Express Mail org. |
| PONY | Express mail carrier? |
| PONIES | Deliverers of express mail? |
| URGENT | Word on express mail |
| PONY | ... express (old mail system) |
| POSTRIDER | Mail carrier of the pony express. |
| SPEEDIER | Like express mail vis-a-vis regular mail |
