Chapter 9. DNS and sendmail

Section 9.1. Overview

Section 9.2. How sendmail Uses DNS

Section 9.3. Set Up MX Records

Section 9.4. How to Use nslookup

Section 9.5. Prepare for Disaster

Section 9.6. Pitfalls

Chapter 1. Some Basics

Part I: Build and Install

Part II: Administration

Chapter 6. Tune Performance

Chapter 7. How to Handle spam

Chapter 8. Test Rule Sets with -bt

Chapter 9. DNS and sendmail

9.2 How sendmail Uses DNS

9.3 Set Up MX Records

9.4 How to Use nslookup

9.5 Prepare for Disaster

Chapter 10. Maintain Security with sendmail

Chapter 12. Maintain Aliases

Chapter 13. Mailing Lists and ~/.forward

Chapter 15. The sendmail Command Line

Chapter 16. Debug sendmail with -d

Part III: The Configuration File