Costales, Bryan Sendmail : help for UNIX system administrators / Bryan Costales, Eric Allman and Neil Rickert - Sebastopol, CA. : OReilly, c1993. - xxxvi, 792 p. : 23 cm. ISBN: 1565920562 LCCN: Subjects--Topical Terms: Unix system administration Network administration SendmailComputer program LC Class. No.: QA76.76 / .O63A3653 1993 Dewey Class. No.: 005.365 / C837s