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ERROR(8)                                                              ERROR(8)



NAME
       error(8,n) - Postfix error(8,n) mail(1,8) delivery agent

SYNOPSIS
       error(8,n) [generic Postfix daemon options]

DESCRIPTION
       The  Postfix  error(8,n)(8)  delivery agent processes delivery requests from
       the queue(1,3) manager. Each  request  specifies  a  queue(1,3)  file(1,n),  a  sender
       address,  a  domain or host(1,5) name that is treated as the reason for non-
       delivery, and recipient information.  This program expects  to  be  run
       from the master(5,8)(8) process manager.

       The  error(8,n)(8)  delivery  agent  bounces  all recipients in(1,8) the delivery
       request using the "next-hop" domain or host(1,5) information as  the  reason
       for  non-delivery,  updates the queue(1,3) file(1,n) and marks recipients as fin-
       ished or informs the queue(1,3) manager that delivery should be tried  again
       at a later time.

       Delivery status reports are sent to the bounce(8), defer(8) or trace(3x,n,3x _nc_tracebits)(8)
       daemon as appropriate.

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

STANDARDS
       None.

DIAGNOSTICS
       Problems and transactions are logged to syslogd(8).

       Depending  on the setting of the notify_classes parameter, the postmas-
       ter is notified of bounces and of other trouble.

CONFIGURATION PARAMETERS
       Changes to main.cf are picked up automatically  as  error(8,n)(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(1,5)(5)  for
       more details including examples.

       2bounce_notice_recipient (postmaster)
              The  recipient  of undeliverable mail(1,8) that cannot be returned to
              the sender.

       bounce_notice_recipient (postmaster)
              The recipient of postmaster notifications with the message head-
              ers  of  mail(1,8) that Postfix did not deliver and of SMTP conversa-
              tion transcripts of mail(1,8) that Postfix did not receive.

       config_directory (see 'postconf(1,5) -d' output)
              The default location of the Postfix main.cf and  master.cf  con-
              figuration files.

       daemon_timeout (18000s)
              How  much  time(1,2,n)  a  Postfix  daemon process may take to handle a
              request before it is terminated by a built-in watchdog(5,8) timer.

       double_bounce_sender (double-bounce)
              The sender address of postmaster notifications that  are  gener-
              ated by the mail(1,8) system.

       ipc_timeout (3600s)
              The  time(1,2,n)  limit  for  sending  or receiving information over an
              internal communication channel.

       max_idle (100s)
              The maximum amount of time(1,2,n) that an idle Postfix  daemon  process
              waits for the next service request before exiting.

       max_use (100)
              The  maximal number of connection requests before a Postfix dae-
              mon process terminates.

       notify_classes (resource, software)
              The list of error(8,n) 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(1,5) -d' output)
              The location of the Postfix top-level queue(1,3) directory.

       syslog_facility (mail(1,8))
              The syslog(2,3,5,3 Sys::Syslog) facility of Postfix logging.

       syslog_name (postfix)
              The mail(1,8) system name that is prepended to the  process  name  in(1,8)
              syslog(2,3,5,3 Sys::Syslog)  records,  so  that  "smtpd" becomes, for example, "post-
              fix/smtpd".

SEE ALSO
       qmgr(8), queue(1,3) manager
       bounce(8), delivery status reports
       discard(8), Postfix discard delivery agent
       postconf(1,5)(5), configuration parameters
       master(5,8)(5), generic daemon options
       master(5,8)(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



                                                                      ERROR(8)

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