Shows where and how to obtain the source and how to build and install sendmail.
Describes the many compile-time macros used to tune sendmail.
Shows many ways to avoid security problems.
Shows how to enable AUTH and SASL with sendmail.
Shows how to use sendmail’s numerous command-line switches.
Explains the nature of spam and how to fight it.
Shows how to use sendmail’s interactive rule-testing mode.
Shows how sendmail and the Domain Naming System interact.
Discusses all the programs that are supplied with the sendmail source.
Describes the queue and shows how to process and print it.
Describes the aliases(5) database.
Describes mailing lists and shows how to manage ~/.forward files.
Explains syslog(3), statistics, and the -X command-line switch.
Documents selected debugging switches available with sendmail.