/*++ /* NAME /* error 8 /* SUMMARY /* Postfix error/retry mail delivery agent /* SYNOPSIS /* \fBerror\fR [generic Postfix daemon options] /* DESCRIPTION /* The Postfix \fBerror\fR(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 \fBmaster\fR(8) process /* manager. /* /* Depending on the service name in master.cf, \fBerror\fR /* or \fBretry\fR, the server bounces or defers all recipients /* in the delivery request using the "next-hop" information /* as the reason for non-delivery. The \fBretry\fR service name is /* supported as of Postfix 2.4. /* /* Delivery status reports are sent to the \fBbounce\fR(8), /* \fBdefer\fR(8) or \fBtrace\fR(8) daemon as appropriate. /* SECURITY /* .ad /* .fi /* The \fBerror\fR(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 \fBsyslogd\fR(8) /* or \fBpostlogd\fR(8). /* /* Depending on the setting of the \fBnotify_classes\fR parameter, /* the postmaster is notified of bounces and of other trouble. /* CONFIGURATION PARAMETERS /* .ad /* .fi /* Changes to \fBmain.cf\fR are picked up automatically as \fBerror\fR(8) /* processes run for only a limited amount of time. Use the command /* "\fBpostfix reload\fR" to speed up a change. /* /* The text below provides only a parameter summary. See /* \fBpostconf\fR(5) for more details including examples. /* .IP "\fB2bounce_notice_recipient (postmaster)\fR" /* The recipient of undeliverable mail that cannot be returned to /* the sender. /* .IP "\fBbounce_notice_recipient (postmaster)\fR" /* 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. /* .IP "\fBconfig_directory (see 'postconf -d' output)\fR" /* The default location of the Postfix main.cf and master.cf /* configuration files. /* .IP "\fBdaemon_timeout (18000s)\fR" /* How much time a Postfix daemon process may take to handle a /* request before it is terminated by a built-in watchdog timer. /* .IP "\fBdelay_logging_resolution_limit (2)\fR" /* The maximal number of digits after the decimal point when logging /* delay values. /* .IP "\fBdouble_bounce_sender (double-bounce)\fR" /* The sender address of postmaster notifications that are generated /* by the mail system. /* .IP "\fBipc_timeout (3600s)\fR" /* The time limit for sending or receiving information over an internal /* communication channel. /* .IP "\fBmax_idle (100s)\fR" /* The maximum amount of time that an idle Postfix daemon process waits /* for an incoming connection before terminating voluntarily. /* .IP "\fBmax_use (100)\fR" /* The maximal number of incoming connections that a Postfix daemon /* process will service before terminating voluntarily. /* .IP "\fBnotify_classes (resource, software)\fR" /* The list of error classes that are reported to the postmaster. /* .IP "\fBprocess_id (read-only)\fR" /* The process ID of a Postfix command or daemon process. /* .IP "\fBprocess_name (read-only)\fR" /* The process name of a Postfix command or daemon process. /* .IP "\fBqueue_directory (see 'postconf -d' output)\fR" /* The location of the Postfix top-level queue directory. /* .IP "\fBsyslog_facility (mail)\fR" /* The syslog facility of Postfix logging. /* .IP "\fBsyslog_name (see 'postconf -d' output)\fR" /* A prefix that is prepended to the process name in syslog /* records, so that, for example, "smtpd" becomes "prefix/smtpd". /* .PP /* Available in Postfix 3.3 and later: /* .IP "\fBservice_name (read-only)\fR" /* 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 /* postlogd(8), Postfix logging /* syslogd(8), system logging /* LICENSE /* .ad /* .fi /* 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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