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Postfix force sender ("From:" field)
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POSTFIX(1) General Commands Manual POSTFIX(1) NAME
postfix - Postfix control program SYNOPSIS
postfix [-c config_dir] [-D] [-v] command DESCRIPTION
This command is reserved for the super-user. To submit mail, use the Postfix sendmail command. The postfix command controls the operation of the Postfix mail system: start or stop the master daemon, do a health check, and other main- tenance. The postfix command sets up a standardized environment and runs the postfix-script shell script to do the actual work. The following commands are implemented: check Validate the Postfix mail system configuration. Warn about bad directory/file ownership or permissions, and create missing directo- ries. start Start the Postfix mail system. This also runs the configuration check described above. stop Stop the Postfix mail system in an orderly fashion. Running processes are allowed to terminate at their earliest convenience. Note: in order to refresh the Postfix mail system after a configuration change, do not use the start and stop commands in succes- sion. Use the reload command instead. abort Stop the Postfix mail system abruptly. Running processes are signaled to stop immediately. flush Force delivery: attempt to deliver every message in the deferred mail queue. Normally, attempts to deliver delayed mail happen at regular intervals, the interval doubling after each failed attempt. reload Re-read configuration files. Running processes terminate at their earliest convenience. The following options are implemented: -c config_dir Read the main.cf and master.cf configuration files in the named directory instead of the default configuration directory. Use this to distinguish between multiple Postfix instances on the same host. -D (with postfix start only) Run each Postfix daemon under control of a debugger as specified via the debugger_command configuration parameter. -v Enable verbose logging for debugging purposes. Multiple -v options make the software increasingly verbose. ENVIRONMENT
The postfix command sets the following environment variables: MAIL_CONFIG Directory with Postfix configuration files. MAIL_VERBOSE This is set when the -v command-line option is present. MAIL_DEBUG This is set when the -D command-line option is present. CONFIGURATION PARAMETERS
The following main.cf configuration parameters are made available as process environment variables with the same names: command_directory Directory with Postfix administrative commands. daemon_directory Directory with Postfix daemon programs. config_directory Directory with Postfix configuration files and with administrative shell scripts. queue_directory The directory with Postfix queue files, with local inter-process communication endpoints, and with files needed for daemon programs that run in the optional chrooted environment. mail_owner The owner of Postfix queue files and of most Postfix processes. setgid_group The group for mail submission and queue management commands. sendmail_path The full pathname for the Postfix sendmail command. newaliases_path The full pathname for the Postfix newaliases command. mailq_path The full pathname for the Postfix mailq command. manpage_directory The directory for the Postfix on-line manual pages. sample_directory The directory for the Postfix sample configuration files. readme_directory The directory for the Postfix README files. Other configuration parameters import_environment List of names of environment parameters that can be imported from non-Postfix processes. FILES
$config_directory/postfix-script, administrative commands $config_directory/main.cf, configuration parameters $config_directory/master.cf, Postfix daemon processes SEE ALSO
master(8) Postfix master program LICENSE
The Secure Mailer license must be distributed with this software. AUTHOR(S) Wietse Venema IBM T.J. Watson Research P.O. Box 704 Yorktown Heights, NY 10598, USA POSTFIX(1)
