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+<!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=utf-8">
+<title> Postfix manual - qmqpd(8) </title>
+</head> <body> <pre>
+QMQPD(8) QMQPD(8)
+
+<b>NAME</b>
+ qmqpd - Postfix QMQP server
+
+<b>SYNOPSIS</b>
+ <b>qmqpd</b> [generic Postfix daemon options]
+
+<b>DESCRIPTION</b>
+ The Postfix QMQP server receives one message per connection. Each mes-
+ sage is piped through the <a href="cleanup.8.html"><b>cleanup</b>(8)</a> daemon, and is placed into the
+ <a href="QSHAPE_README.html#incoming_queue"><b>incoming</b> queue</a> as one single queue file. The program expects to be run
+ from the <a href="master.8.html"><b>master</b>(8)</a> process manager.
+
+ The QMQP server implements one access policy: only explicitly autho-
+ rized client hosts are allowed to use the service.
+
+<b>SECURITY</b>
+ The QMQP server is moderately security-sensitive. It talks to QMQP
+ clients and to DNS servers on the network. The QMQP server can be run
+ chrooted at fixed low privilege.
+
+<b>DIAGNOSTICS</b>
+ Problems and transactions are logged to <b>syslogd</b>(8) or <a href="postlogd.8.html"><b>postlogd</b>(8)</a>.
+
+<b>BUGS</b>
+ The QMQP protocol provides only one server reply per message delivery.
+ It is therefore not possible to reject individual recipients.
+
+ The QMQP protocol requires the server to receive the entire message
+ before replying. If a message is malformed, or if any netstring compo-
+ nent is longer than acceptable, Postfix replies immediately and closes
+ the connection. It is left up to the client to handle the situation.
+
+<b>CONFIGURATION PARAMETERS</b>
+ Changes to <a href="postconf.5.html"><b>main.cf</b></a> are picked up automatically, as <a href="qmqpd.8.html"><b>qmqpd</b>(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"><b>postconf</b>(5)</a> for
+ more details including examples.
+
+<b>CONTENT INSPECTION CONTROLS</b>
+ <b><a href="postconf.5.html#content_filter">content_filter</a> (empty)</b>
+ After the message is queued, send the entire message to the
+ specified <i>transport:destination</i>.
+
+ <b><a href="postconf.5.html#receive_override_options">receive_override_options</a> (empty)</b>
+ Enable or disable recipient validation, built-in content filter-
+ ing, or address mapping.
+
+<b>SMTPUTF8 CONTROLS</b>
+ Preliminary SMTPUTF8 support is introduced with Postfix 3.0.
+
+ <b><a href="postconf.5.html#smtputf8_enable">smtputf8_enable</a> (yes)</b>
+ Enable preliminary SMTPUTF8 support for the protocols described
+ in <a href="https://tools.ietf.org/html/rfc6531">RFC 6531</a>..6533.
+
+ <b><a href="postconf.5.html#smtputf8_autodetect_classes">smtputf8_autodetect_classes</a> (sendmail, verify)</b>
+ Detect that a message requires SMTPUTF8 support for the speci-
+ fied mail origin classes.
+
+ Available in Postfix version 3.2 and later:
+
+ <b><a href="postconf.5.html#enable_idna2003_compatibility">enable_idna2003_compatibility</a> (no)</b>
+ Enable 'transitional' compatibility between IDNA2003 and
+ IDNA2008, when converting UTF-8 domain names to/from the ASCII
+ form that is used for DNS lookups.
+
+<b>RESOURCE AND RATE CONTROLS</b>
+ <b><a href="postconf.5.html#line_length_limit">line_length_limit</a> (2048)</b>
+ Upon input, long lines are chopped up into pieces of at most
+ this length; upon delivery, long lines are reconstructed.
+
+ <b><a href="postconf.5.html#hopcount_limit">hopcount_limit</a> (50)</b>
+ The maximal number of Received: message headers that is allowed
+ in the primary message headers.
+
+ <b><a href="postconf.5.html#message_size_limit">message_size_limit</a> (10240000)</b>
+ The maximal size in bytes of a message, including envelope
+ information.
+
+ <b><a href="postconf.5.html#qmqpd_timeout">qmqpd_timeout</a> (300s)</b>
+ The time limit for sending or receiving information over the
+ network.
+
+<b>TROUBLE SHOOTING CONTROLS</b>
+ <b><a href="postconf.5.html#debug_peer_level">debug_peer_level</a> (2)</b>
+ The increment in verbose logging level when a nexthop destina-
+ tion, remote client or server name or network address matches a
+ pattern given with the <a href="postconf.5.html#debug_peer_list">debug_peer_list</a> parameter.
+
+ <b><a href="postconf.5.html#debug_peer_list">debug_peer_list</a> (empty)</b>
+ Optional list of nexthop destination, remote client or server
+ name or network address patterns that, if matched, cause the
+ verbose logging level to increase by the amount specified in
+ $<a href="postconf.5.html#debug_peer_level">debug_peer_level</a>.
+
+ <b><a href="postconf.5.html#soft_bounce">soft_bounce</a> (no)</b>
+ Safety net to keep mail queued that would otherwise be returned
+ to the sender.
+
+<b>TARPIT CONTROLS</b>
+ <b><a href="postconf.5.html#qmqpd_error_delay">qmqpd_error_delay</a> (1s)</b>
+ How long the Postfix QMQP server will pause before sending a
+ negative reply to the remote QMQP client.
+
+<b>MISCELLANEOUS CONTROLS</b>
+ <b><a href="postconf.5.html#config_directory">config_directory</a> (see 'postconf -d' output)</b>
+ The default location of the Postfix <a href="postconf.5.html">main.cf</a> and <a href="master.5.html">master.cf</a> con-
+ figuration 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#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 an incoming connection before terminating voluntarily.
+
+ <b><a href="postconf.5.html#max_use">max_use</a> (100)</b>
+ The maximal number of incoming connections that a Postfix daemon
+ process will service before terminating voluntarily.
+
+ <b><a href="postconf.5.html#process_id">process_id</a> (read-only)</b>
+ The process ID of a Postfix command or daemon process.
+
+ <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#qmqpd_authorized_clients">qmqpd_authorized_clients</a> (empty)</b>
+ What remote QMQP clients are allowed to connect to the Postfix
+ QMQP server port.
+
+ <b><a href="postconf.5.html#queue_directory">queue_directory</a> (see 'postconf -d' output)</b>
+ The location of the Postfix top-level queue directory.
+
+ <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> (see 'postconf -d' output)</b>
+ A prefix that is prepended to the process name in syslog
+ records, so that, for example, "smtpd" becomes "prefix/smtpd".
+
+ <b><a href="postconf.5.html#verp_delimiter_filter">verp_delimiter_filter</a> (-=+)</b>
+ The characters Postfix accepts as VERP delimiter characters on
+ the Postfix <a href="sendmail.1.html"><b>sendmail</b>(1)</a> command line and in SMTP commands.
+
+ Available in Postfix version 2.5 and later:
+
+ <b><a href="postconf.5.html#qmqpd_client_port_logging">qmqpd_client_port_logging</a> (no)</b>
+ Enable logging of the remote QMQP client port in addition to the
+ hostname and IP address.
+
+ Available in Postfix 3.3 and later:
+
+ <b><a href="postconf.5.html#service_name">service_name</a> (read-only)</b>
+ The <a href="master.5.html">master.cf</a> service name of a Postfix daemon process.
+
+<b>SEE ALSO</b>
+ <a href="http://cr.yp.to/proto/qmqp.html">http://cr.yp.to/proto/qmqp.html</a>, QMQP protocol
+ <a href="cleanup.8.html">cleanup(8)</a>, message canonicalization
+ <a href="master.8.html">master(8)</a>, process manager
+ <a href="postlogd.8.html">postlogd(8)</a>, Postfix logging
+ syslogd(8), system logging
+
+<b>README FILES</b>
+ <a href="QMQP_README.html">QMQP_README</a>, Postfix ezmlm-idx howto.
+
+<b>LICENSE</b>
+ The Secure Mailer license must be distributed with this software.
+
+<b>HISTORY</b>
+ The qmqpd service was introduced with Postfix version 1.1.
+
+<b>AUTHOR(S)</b>
+ 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
+
+ QMQPD(8)
+</pre> </body> </html>