<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=us-ascii"> <title> Postfix manual - error(8) </title> </head> <body> <pre> ERROR(8) ERROR(8) <b>NAME</b> error - Postfix error mail delivery agent <b>SYNOPSIS</b> <b>error</b> [generic Postfix daemon options] <b>DESCRIPTION</b> The Postfix error delivery agent processes delivery requests from the queue manager. Each request specifies a queue file, a sender address, a domain or host name that is treated as the reason for non-delivery, and recipient information. This program expects to be run from the <a href="master.8.html"><b>mas-</b></a> <a href="master.8.html"><b>ter</b>(8)</a> process manager. The error delivery agent bounces all recipients in the delivery request using the "next-hop" domain or host information as the reason for non-delivery, updates the queue file and marks recipients as finished or informs the queue manager that delivery should be tried again at a later time. Delivery status reports are sent to the <a href="bounce.8.html"><b>bounce</b>(8)</a>, <a href="defer.8.html"><b>defer</b>(8)</a> or <a href="trace.8.html"><b>trace</b>(8)</a> daemon as appropriate. <b>SECURITY</b> The error mailer is not security-sensitive. It does not talk to the network, and can be run chrooted at fixed low privilege. <b>STANDARDS</b> None. <b>DIAGNOSTICS</b> Problems and transactions are logged to <b>syslogd</b>(8). Depending on the setting of the <b><a href="postconf.5.html#notify_classes">notify_classes</a></b> parameter, the postmaster is notified of bounces and of other trou- ble. <b>CONFIGURATION PARAMETERS</b> Changes to <b>main.cf</b> are picked up automatically as <a href="error.8.html">error(8)</a> processes run for only a limited amount of time. Use the command "<b>postfix reload</b>" to speed up a change. The text below provides only a parameter summary. See <a href="postconf.5.html">postconf(5)</a> for more details including examples. <b><a href="postconf.5.html#2bounce_notice_recipient">2bounce_notice_recipient</a> (postmaster)</b> The recipient of undeliverable mail that cannot be returned to the sender. <b><a href="postconf.5.html#bounce_notice_recipient">bounce_notice_recipient</a> (postmaster)</b> 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. <b><a href="postconf.5.html#config_directory">config_directory</a> (see 'postconf -d' output)</b> The default location of the Postfix main.cf and master.cf configuration files. <b><a href="postconf.5.html#daemon_timeout">daemon_timeout</a> (18000s)</b> How much time a Postfix daemon process may take to handle a request before it is terminated by a built-in watchdog timer. <b><a href="postconf.5.html#double_bounce_sender">double_bounce_sender</a> (double-bounce)</b> The sender address of postmaster notifications that are generated by the mail system. <b><a href="postconf.5.html#ipc_timeout">ipc_timeout</a> (3600s)</b> The time limit for sending or receiving information over an internal communication channel. <b><a href="postconf.5.html#max_idle">max_idle</a> (100s)</b> The maximum amount of time that an idle Postfix daemon process waits for the next service request before exiting. <b><a href="postconf.5.html#max_use">max_use</a> (100)</b> The maximal number of connection requests before a Postfix daemon process terminates. <b><a href="postconf.5.html#notify_classes">notify_classes</a> (resource, software)</b> The list of error classes that are reported to the postmaster. <b><a href="postconf.5.html#process_id">process_id</a> (read-only)</b> The process ID of a Postfix command or daemon pro- cess. <b><a href="postconf.5.html#process_name">process_name</a> (read-only)</b> The process name of a Postfix command or daemon process. <b><a href="postconf.5.html#queue_directory">queue_directory</a> (see 'postconf -d' output)</b> The location of the Postfix top-level queue direc- tory. <b><a href="postconf.5.html#syslog_facility">syslog_facility</a> (mail)</b> The syslog facility of Postfix logging. <b><a href="postconf.5.html#syslog_name">syslog_name</a> (postfix)</b> The mail system name that is prepended to the pro- cess name in syslog records, so that "smtpd" becomes, for example, "postfix/smtpd". <b>SEE ALSO</b> <a href="qmgr.8.html">qmgr(8)</a>, queue manager <a href="bounce.8.html">bounce(8)</a>, delivery status reports <a href="postconf.5.html">postconf(5)</a>, configuration parameters <a href="master.8.html">master(8)</a>, process manager syslogd(8), system logging <b>LICENSE</b> The Secure Mailer license must be distributed with this software. <b>AUTHOR(S)</b> Wietse Venema IBM T.J. Watson Research P.O. Box 704 Yorktown Heights, NY 10598, USA ERROR(8) </pre> </body> </html>