cf/README for sendmail 8.12.3

Eric Allman of the Sendmail Consortium

Sendmail Configuration Files

[ In case you prefer the text-only version of cf/README, follow this link:
cf/README sendmail 8.12.3 (text-only) ]

This document describes the sendmail configuration files.

It explains how to create a file for use with sendmail. It also describes how to set options for sendmail which are explained in the Sendmail Installation and Operation guide (doc/op/

To get started, you may want to look at (for TCP-only sites) and (for clusters of clients using a single mail host), or the generic-*.mc files as operating system-specific examples.

Table of Content:

  1. Introduction And Example
  2. A Brief Introduction To M4
  3. File Locations
  5. DOMAINs
  6. MAILERs
  8. HACKs
  9. Site Configuration
  10. Using UUCP Mailers
  11. Tweaking Rulesets
  12. Masquerading And Relaying
  13. Using LDAP For Aliases, Maps, And Classes
  14. LDAP Routing
  15. Anti-Spam Configuration Control
  17. SMTP AUTHentication
  18. Adding New Mailers Or Rulesets
  19. Adding New Mail Filters
  20. Queue Group Definitions
  21. Non-SMTP Based Configurations
  22. Who Am I?
  23. Accepting Mail For Multiple Names
  24. Using Mailertables
  25. Using Userdb To Map Full Names
  26. Miscellaneous Special Features
  27. Security Notes
  28. Tweaking Configuration Options
  29. Message Submission Program
  30. Format Of Files And Maps
  31. Directory Layout
  32. Administrative Details
  33. Keyword And Macro Index