bionic (8) error.8postfix.gz

NAME

       error - Postfix error/retry mail delivery agent

SYNOPSIS

       error [generic Postfix daemon options]

DESCRIPTION

       The  Postfix  error(8)  delivery  agent  processes delivery requests from the queue manager. Each request
       specifies a queue file, a sender  address,  the  reason  for  non-delivery  (specified  as  the  next-hop
       destination),  and  recipient information.  The reason may be prefixed with an RFC 3463-compatible detail
       code; if none is specified a default 4.0.0 or 5.0.0 code is used instead.  This program expects to be run
       from the master(8) process manager.

       Depending  on  the service name in master.cf, error or retry, the server bounces or defers all recipients
       in the delivery request using the "next-hop" information  as  the  reason  for  non-delivery.  The  retry
       service name is supported as of Postfix 2.4.

       Delivery status reports are sent to the bounce(8), defer(8) or trace(8) daemon as appropriate.

SECURITY

       The  error(8)  mailer is not security-sensitive. It does not talk to the network, and can be run chrooted
       at fixed low privilege.

STANDARDS

       RFC 3463 (Enhanced Status Codes)

DIAGNOSTICS

       Problems and transactions are logged to syslogd(8).

       Depending on the setting of the notify_classes parameter, the postmaster is notified of  bounces  and  of
       other trouble.

CONFIGURATION PARAMETERS

       Changes  to  main.cf  are  picked up automatically as error(8) processes run for only a limited amount of
       time. Use the command "postfix reload" to speed up a change.

       The text below provides only a parameter summary. See postconf(5) for more details including examples.

       2bounce_notice_recipient (postmaster)
              The recipient of undeliverable mail that cannot be returned to the sender.

       bounce_notice_recipient (postmaster)
              The recipient of postmaster notifications with the message headers of mail that  Postfix  did  not
              deliver and of SMTP conversation transcripts of mail that Postfix did not receive.

       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.

       delay_logging_resolution_limit (2)
              The maximal number of digits after the decimal point when logging sub-second delay values.

       double_bounce_sender (double-bounce)
              The sender address of postmaster notifications that are generated by the mail system.

       ipc_timeout (3600s)
              The time limit for sending or receiving information over an internal communication channel.

       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.

       notify_classes (resource, software)
              The list of error classes that are reported to the postmaster.

       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)
              A prefix that is prepended to the process name in syslog records, so that,  for  example,  "smtpd"
              becomes "prefix/smtpd".

       Available in Postfix 3.3 and later:

       service_name (read-only)
              The master.cf service name of a Postfix daemon process.

SEE ALSO

       qmgr(8), queue manager
       bounce(8), delivery status reports
       discard(8), Postfix discard delivery agent
       postconf(5), configuration parameters
       master(5), generic daemon options
       master(8), process manager
       syslogd(8), system logging

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

       Wietse Venema
       Google, Inc.
       111 8th Avenue
       New York, NY 10011, USA

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