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ERROR(8)                                                                                            ERROR(8)



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 des-tination), destination),
       tination),  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 recipi-ents recipients
       ents 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  exam-ples. examples.
       ples.

       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 connec-tion connection
              tion 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 (postfix)
              The  mail system name that is prepended to the process name in syslog records, so that "smtpd"
              becomes, for example, "postfix/smtpd".

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



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