| Answer | Crossword Clue |
|---|---|
| PSS | Mail addenda, for short |
| PSS | Letter addenda, for short |
| PSS | Some addenda, for short |
| RFD | Mail service, for short. |
| RFDS | Country mail systems, for short |
| AOL | E-mail service, for short |
| PIC | E-mail attachment, for short |
| SANDH | Mail-order charge, for short |
| COD | Mail order option, for short |
| AOL | "You've Got Mail" company, for short |
| COD | How some mail-order packages arrive, for short |
| RSVPS | Much of a bride-to-be's mail, for short |
