Chapter 5: sendmail administration

Table of contents

• Chapter 5: sendmail administration
  • How sendmail works
    • Outgoing mail
    • Incoming mail
    • sendmail execution
    • sendmail interfaces
    • Mail to files and programs
  • Standard sendmail configuration
    • Running mkdev cf
    • Editing the daemon invocation
    • Running and testing sendmail
  • Tuning sendmail configuration
    • Changing the queue processing interval
    • Creating a user information database
    • Altering read timeouts
    • Altering message timeouts
    • Forking during queue runs
    • Altering queue priorities
    • Setting the mail load limit
    • Setting the delivery mode
    • Log Levels
    • Changing file permissions
    • Turning off security checks
    • Setting connection caching parameters
    • Using sendmail with a name server
    • Moving the per-user forward files
    • Setting mail queue filesystem free space
    • Setting maximum message size
    • Setting privacy flags
    • Setting ``send to me too'' operation
  • Reconfiguring sendmail
  • Administering sendmail
    • Debugging sendmail
    • Changing the values of options
    • Trying a Different Configuration File
    • Logging traffic
    • Testing configuration files
    • Persistent host status information
    • Viewing the system log
    • Log entry format
    • Levels
    • Dumping state
    • Viewing the mail queue
    • Disk-based connection information
    • The service switch
    • Maintaining the alias database
    • Managing spam
    • Enabling user forwarding (.forward files)
    • Special header lines
    • IDENT protocol support
    • Summary of support files
  • Advanced sendmail configuration
    • /usr/lib/sendmail.cf overview
    • Configuration file lines
    • Building a configuration file from scratch
  • For more about sendmail