Part IV: Appendixes

Appendix A

Lists the mc configuration macros in alphabetical order with references to the specific section where each is documented.

Appendix B

Lists the topics and features that are either new or have changed since the previous edition of the book, which covered V8.8 and earlier sendmail.

Appendix C

Lists the most common and some of the more obscure error messages in alphabetical order with references to the specific section where each is documented.

Appendix D

Shows how to use checkcompat( ) to filter the message body and reject Subject: headers that have the high bit set.

Appendix E

Provides a guide to help the novice learn sendmail's basics.