Frey, Donnalyn.
A directory of electronic mail addressing and networks / Donnalyn Frey and Rick Adams. - 2nd rev. ed. - Sabastopol, Calif. : O'Reilly & Associates, 1990. - xvi, 420 p. - UNIX communications .
0937175153
92026225
Electronic mail systems.
A directory of electronic mail addressing and networks / Donnalyn Frey and Rick Adams. - 2nd rev. ed. - Sabastopol, Calif. : O'Reilly & Associates, 1990. - xvi, 420 p. - UNIX communications .
0937175153
92026225
Electronic mail systems.