The third part of this book covers the initial and day-to-day
Of necessity, such administration must include
other thorny issues, such as
and security, so we cover
those subjects too.
DNS and sendmail
and the Domain Naming System interact,
explains how to get them to work together, and offers help
in taming the wild
must run as
, then shows
many ways to tighten security so that this will not be
Shows how the queue is organized, how
itself from bad files in the queue, and how to process
and print the queue.
(5) file and the various parts that
make it up. Also shows how to write a program to perform delivery,
and how to manage and print the aliases database.
Mailing Lists and ~/.forward
Illustrates the ins and outs of managing mailing lists,
shows how to set up a
file, and presents
solutions to various problems with both. This chapter also describes
mailing lists and how to produce and manage them; it concludes with
full coverage of the
Logging and Statistics
Explains how to use
(3) to log
activities and how to generate statistics from those logs.
Describes the effect of signaling the daemon and the
use of the