The third part of this book provides a comprehensive reference for the configuration file.
- Chapter 17
Presents an overview of the sendmail.cf file. Comments, joined lines, and the V configuration command are detailed.
- Chapter 18
Shows how the workspace is rewritten by individual rules. Operators, such as $*, are explained here.
- Chapter 19
Covers the flow of addresses through rule sets, and illustrates the special uses of rule sets 0 through 5, as well as the check_ rule sets.
- Chapter 20
Shows how to define mail delivery agents with the M configuration command. The F= flags are also listed.
- Chapter 21
Shows how to define and use macros. Includes an explanation of all macros currently in use.
- Chapter 22
Shows how multiple values can be stored in class macros. The special uses of the $= and $~ prefixes are also shown.
- Chapter 23
Shows how to create, declare, and use external databases, internal maps, and network maps.
- Chapter 24
Shows how to declare options from the command line and in the configuration file. Then every option is explained.
- Chapter 25
Describes the legal contents and form of headers in email messages and in the H configuration command.
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