SPAWN(8) | SPAWN(8) |
This daemon expects to be run from the master(8) process manager.
user=username (required) |
user=username:groupname | The external command is executed with the rights of the specified username. The software refuses to execute commands with root privileges, or with the privileges of the mail system owner. If groupname is specified, the corresponding group ID is used instead of the group ID of username. |
argv=command... (required) | The command to be executed. This must be specified as the last command attribute. The command is executed directly, i.e. without interpretation of shell meta characters by a shell command interpreter. |
The text below provides only a parameter summary. See postconf(5) for more details including examples.
In the text below, transport is the first field of the entry in the master.cf file.
transport_time_limit ($command_time_limit) |
The amount of time the command is allowed to run before it is terminated. Postfix 2.4 and later support a suffix that specifies the time unit: s (seconds), m (minutes), h (hours), d (days), w (weeks). The default time unit is seconds. |
config_directory (see 'postconf -d' output) | The default location of the Postfix main.cf and master.cf configuration files. |
daemon_timeout (18000s) | How much time a Postfix daemon process may take to handle a request before it is terminated by a built-in watchdog timer. |
export_environment (see 'postconf -d' output) | The list of environment variables that a Postfix process will export to non-Postfix processes. |
ipc_timeout (3600s) | The time limit for sending or receiving information over an internal communication channel. |
mail_owner (postfix) | The UNIX system account that owns the Postfix queue and most Postfix daemon processes. |
max_idle (100s) | The maximum amount of time that an idle Postfix daemon process waits for an incoming connection before terminating voluntarily. |
max_use (100) | The maximal number of incoming connections that a Postfix daemon process will service before terminating voluntarily. |
process_id (read-only) | The process ID of a Postfix command or daemon process. |
process_name (read-only) | The process name of a Postfix command or daemon process. |
queue_directory (see 'postconf -d' output) | The location of the Postfix top-level queue directory. |
syslog_facility (mail) | The syslog facility of Postfix logging. |
syslog_name (see 'postconf -d' output) | The mail system name that is prepended to the process name in syslog records, so that "smtpd" becomes, for example, "postfix/smtpd". |
August 25, 2011 |