SNAILMAIL

Set to 2 different clues across 2 published puzzles, most often “Nonelectronic correspondence” — The New York Times, Wednesday, 1 December 1999.

9 letters

Every clue on record, most used first

Nonelectronic correspondenceonce
The New York Times — Wednesday, 1 December 1999
Communication means for computer-phobesonce
The New York Times — Monday, 3 February 1997