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            "text": "# defer (info)\n\n## NAME\n\nbounce - Postfix delivery status reports\n\n## SYNOPSIS\n\nbounce [generic Postfix daemon options]\n\n## DESCRIPTION\n\nThe bounce(8) daemon maintains per-message log files with delivery sta-\ntus information. Each log file is named after the queue  file  that  it\ncorresponds  to,  and  is  kept in a queue subdirectory named after the\nservice name in the master.cf file (either  bounce,  defer  or  trace).\nThis program expects to be run from the master(8) process manager.\n\n## Sections\n\n- **NAME**\n- **SYNOPSIS**\n- **DESCRIPTION**\n- **STANDARDS**\n- **DIAGNOSTICS**\n- **CONFIGURATION PARAMETERS**\n- **FILES**\n- **SEE ALSO**\n- **LICENSE**\n\nUse structuredContent.sections for detailed options, examples, and full documentation.\n"
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        "summary": "bounce - Postfix delivery status reports",
        "synopsis": "bounce [generic Postfix daemon options]",
        "tldr_summary": null,
        "tldr_examples": [],
        "tldr_source": null,
        "flags": [],
        "examples": [],
        "see_also": [
            {
                "name": "bounce",
                "section": "5",
                "url": "https://www.chedong.com/phpMan.php/man/bounce/5/json"
            },
            {
                "name": "qmgr",
                "section": "8",
                "url": "https://www.chedong.com/phpMan.php/man/qmgr/8/json"
            },
            {
                "name": "postconf",
                "section": "5",
                "url": "https://www.chedong.com/phpMan.php/man/postconf/5/json"
            },
            {
                "name": "master",
                "section": "5",
                "url": "https://www.chedong.com/phpMan.php/man/master/5/json"
            },
            {
                "name": "master",
                "section": "8",
                "url": "https://www.chedong.com/phpMan.php/man/master/8/json"
            },
            {
                "name": "postlogd",
                "section": "8",
                "url": "https://www.chedong.com/phpMan.php/man/postlogd/8/json"
            },
            {
                "name": "syslogd",
                "section": "8",
                "url": "https://www.chedong.com/phpMan.php/man/syslogd/8/json"
            }
        ],
        "section_outline": [
            {
                "name": "NAME",
                "lines": 2,
                "subsections": []
            },
            {
                "name": "SYNOPSIS",
                "lines": 2,
                "subsections": []
            },
            {
                "name": "DESCRIPTION",
                "lines": 25,
                "subsections": []
            },
            {
                "name": "STANDARDS",
                "lines": 11,
                "subsections": []
            },
            {
                "name": "DIAGNOSTICS",
                "lines": 2,
                "subsections": []
            },
            {
                "name": "CONFIGURATION PARAMETERS",
                "lines": 106,
                "subsections": []
            },
            {
                "name": "FILES",
                "lines": 4,
                "subsections": []
            },
            {
                "name": "SEE ALSO",
                "lines": 8,
                "subsections": []
            },
            {
                "name": "LICENSE",
                "lines": 14,
                "subsections": []
            }
        ],
        "sections": {
            "NAME": {
                "content": "bounce - Postfix delivery status reports\n",
                "subsections": []
            },
            "SYNOPSIS": {
                "content": "bounce [generic Postfix daemon options]\n",
                "subsections": []
            },
            "DESCRIPTION": {
                "content": "The bounce(8) daemon maintains per-message log files with delivery sta-\ntus information. Each log file is named after the queue  file  that  it\ncorresponds  to,  and  is  kept in a queue subdirectory named after the\nservice name in the master.cf file (either  bounce,  defer  or  trace).\nThis program expects to be run from the master(8) process manager.\n\nThe bounce(8) daemon processes two types of service requests:\n\no      Append a recipient (non-)delivery status record to a per-message\nlog file.\n\no      Enqueue a delivery status notification message, with a copy of a\nper-message log file and of the corresponding message.  When the\ndelivery status notification message is  enqueued  successfully,\nthe per-message log file is deleted.\n\nThe  software does a best notification effort. A non-delivery notifica-\ntion is sent even when the log file or the original message  cannot  be\nread.\n\nOptionally,  a  bounce  (defer,  trace)  client  can  request  that the\nper-message log file be deleted when  the  requested  operation  fails.\nThis  is  used by clients that cannot retry transactions by themselves,\nand that depend on retry logic in their own client.\n",
                "subsections": []
            },
            "STANDARDS": {
                "content": "RFC 822 (ARPA Internet Text Messages)\nRFC 2045 (Format of Internet Message Bodies)\nRFC 2822 (Internet Message Format)\nRFC 3462 (Delivery Status Notifications)\nRFC 3464 (Delivery Status Notifications)\nRFC 3834 (Auto-Submitted: message header)\nRFC 5322 (Internet Message Format)\nRFC 6531 (Internationalized SMTP)\nRFC 6532 (Internationalized Message Format)\nRFC 6533 (Internationalized Delivery Status Notifications)\n",
                "subsections": []
            },
            "DIAGNOSTICS": {
                "content": "Problems and transactions are logged to syslogd(8) or postlogd(8).\n",
                "subsections": []
            },
            "CONFIGURATION PARAMETERS": {
                "content": "Changes to main.cf are picked up automatically, as bounce(8)  processes\nrun for only a limited amount of time. Use the command \"postfix reload\"\nto speed up a change.\n\nThe text below provides only a parameter summary. See  postconf(5)  for\nmore details including examples.\n\n2bouncenoticerecipient (postmaster)\nThe  recipient  of undeliverable mail that cannot be returned to\nthe sender.\n\nbackwardsbouncelogfilecompatibility (yes)\nProduce additional bounce(8) logfile records that can be read by\nPostfix versions before 2.0.\n\nbouncenoticerecipient (postmaster)\nThe recipient of postmaster notifications with the message head-\ners of mail that Postfix did not deliver and of  SMTP  conversa-\ntion transcripts of mail that Postfix did not receive.\n\nbouncesizelimit (50000)\nThe  maximal  amount  of original message text that is sent in a\nnon-delivery notification.\n\nbouncetemplatefile (empty)\nPathname of a configuration file with bounce message templates.\n\nconfigdirectory (see 'postconf -d' output)\nThe default location of the Postfix main.cf and  master.cf  con-\nfiguration files.\n\ndaemontimeout (18000s)\nHow  much time a Postfix daemon process may take to handle a re-\nquest before it is terminated by a built-in watchdog timer.\n\ndelaynoticerecipient (postmaster)\nThe recipient of postmaster notifications with the message head-\ners  of mail that cannot be delivered within $delaywarningtime\ntime units.\n\ndeliverlockattempts (20)\nThe maximal number of attempts to acquire an exclusive lock on a\nmailbox file or bounce(8) logfile.\n\ndeliverlockdelay (1s)\nThe  time  between  attempts  to  acquire an exclusive lock on a\nmailbox file or bounce(8) logfile.\n\nipctimeout (3600s)\nThe time limit for sending or receiving information over an  in-\nternal communication channel.\n\ninternalmailfilterclasses (empty)\nWhat  categories  of  Postfix-generated  mail are subject to be-\nfore-queue    content    inspection    by     nonsmtpdmilters,\nheaderchecks and bodychecks.\n\nmailname (Postfix)\nThe  mail system name that is displayed in Received: headers, in\nthe SMTP greeting banner, and in bounced mail.\n\nmaxidle (100s)\nThe maximum amount of time that an idle Postfix  daemon  process\nwaits for an incoming connection before terminating voluntarily.\n\nmaxuse (100)\nThe maximal number of incoming connections that a Postfix daemon\nprocess will service before terminating voluntarily.\n\nnotifyclasses (resource, software)\nThe list of error classes that are reported to the postmaster.\n\nprocessid (read-only)\nThe process ID of a Postfix command or daemon process.\n\nprocessname (read-only)\nThe process name of a Postfix command or daemon process.\n\nqueuedirectory (see 'postconf -d' output)\nThe location of the Postfix top-level queue directory.\n\nsyslogfacility (mail)\nThe syslog facility of Postfix logging.\n\nsyslogname (see 'postconf -d' output)\nA prefix that  is  prepended  to  the  process  name  in  syslog\nrecords, so that, for example, \"smtpd\" becomes \"prefix/smtpd\".\n\nAvailable in Postfix 3.0 and later:\n\nsmtputf8autodetectclasses (sendmail, verify)\nDetect  that  a message requires SMTPUTF8 support for the speci-\nfied mail origin classes.\n\nAvailable in Postfix 3.3 and later:\n\nservicename (read-only)\nThe master.cf service name of a Postfix daemon process.\n\nAvailable in Postfix 3.6 and later:\n\nenablethreadedbounces (no)\nEnable non-delivery, success, and delay notifications that  link\nto  the  original  message by including a References: and In-Re-\nply-To: header with the original Message-ID value.\n",
                "subsections": []
            },
            "FILES": {
                "content": "/var/spool/postfix/bounce/* non-delivery records\n/var/spool/postfix/defer/* non-delivery records\n/var/spool/postfix/trace/* delivery status records\n",
                "subsections": []
            },
            "SEE ALSO": {
                "content": "bounce(5), bounce message template format\nqmgr(8), queue manager\npostconf(5), configuration parameters\nmaster(5), generic daemon options\nmaster(8), process manager\npostlogd(8), Postfix logging\nsyslogd(8), system logging\n",
                "subsections": []
            },
            "LICENSE": {
                "content": "The Secure Mailer license must be distributed with this software.\n\nAUTHOR(S)\nWietse Venema\nIBM T.J. Watson Research\nP.O. Box 704\nYorktown Heights, NY 10598, USA\n\nWietse Venema\nGoogle, Inc.\n111 8th Avenue\nNew York, NY 10011, USA\n\nBOUNCE(8postfix)",
                "subsections": []
            }
        }
    }
}