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defer (8)
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    NAME

    bounce
    -
    Postfix delivery status reports
     
    

    SYNOPSIS

    bounce [generic Postfix daemon options]
    
     

    DESCRIPTION

    The bounce(8) daemon maintains per-message log files with delivery status information. Each log file is named after the queue file that it corresponds to, and is kept in a queue subdirectory named after the service name in the master.cf file (either bounce, defer or trace). This program expects to be run from the master(8) process manager.

    The bounce(8) daemon processes two types of service requests:

    *
    Append a recipient (non-)delivery status record to a per-message log file.
    *
    Enqueue a bounce message, with a copy of a per-message log file and of the corresponding message. When the bounce message is enqueued successfully, the per-message log file is deleted.

    The software does a best notification effort. A non-delivery notification is sent even when the log file or the original message cannot be read.

    Optionally, a bounce (defer, trace) client can request that the per-message log file be deleted when the requested operation fails. This is used by clients that cannot retry transactions by themselves, and that depend on retry logic in their own client.  

    STANDARDS

    RFC 822 (ARPA Internet Text Messages)
    RFC 2045 (Format of Internet Message Bodies)
    RFC 2822 (ARPA Internet Text Messages)
    RFC 3462 (Delivery Status Notifications)
    RFC 3464 (Delivery Status Notifications)
    RFC 3834 (Auto-Submitted: message header)
    
     

    DIAGNOSTICS

    Problems and transactions are logged to syslogd(8).  

    CONFIGURATION PARAMETERS

    
    
    Changes to main.cf are picked up automatically, as bounce(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.
    backwards_bounce_logfile_compatibility (yes)
    Produce additional bounce(8) logfile records that can be read by Postfix versions before 2.0.
    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.
    bounce_size_limit (50000)
    The maximal amount of original message text that is sent in a non-delivery notification.
    bounce_template_file (empty)
    Pathname of a configuration file with bounce message templates.
    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_notice_recipient (postmaster)
    The recipient of postmaster notifications with the message headers of mail that cannot be delivered within $delay_warning_time time units.
    deliver_lock_attempts (20)
    The maximal number of attempts to acquire an exclusive lock on a mailbox file or bounce(8) logfile.
    deliver_lock_delay (1s)
    The time between attempts to acquire an exclusive lock on a mailbox file or bounce(8) logfile.
    ipc_timeout (3600s)
    The time limit for sending or receiving information over an internal communication channel.
    internal_mail_filter_classes (empty)
    What categories of Postfix-generated mail are subject to before-queue content inspection by non_smtpd_milters, header_checks and body_checks.
    mail_name (Postfix)
    The mail system name that is displayed in Received: headers, in the SMTP greeting banner, and in bounced mail.
    max_idle (100s)
    The maximum amount of time 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 daemon process terminates.
    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".
     

    FILES

    /var/spool/postfix/bounce/* non-delivery records
    /var/spool/postfix/defer/* non-delivery records
    /var/spool/postfix/trace/* delivery status records
    
     

    SEE ALSO

    bounce(5), bounce message template format
    qmgr(8), queue manager
    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
    
    

     

    Index

    NAME
    SYNOPSIS
    DESCRIPTION
    STANDARDS
    DIAGNOSTICS
    CONFIGURATION PARAMETERS
    FILES
    SEE ALSO
    LICENSE
    AUTHOR(S)


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