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    The following form allows you to view linux man pages.

    Command:

    qmqpd

    
    
    

    SYNOPSIS

           qmqpd [generic Postfix daemon options]
    
    
    

    DESCRIPTION

           The Postfix QMQP server receives one message per connection.  Each mes-
           sage is piped through the cleanup(8) daemon, and  is  placed  into  the
           incoming queue as one single queue file.  The program expects to be run
           from the master(8) process manager.
    
           The QMQP server implements one access policy:  only  explicitly  autho-
           rized client hosts are allowed to use the service.
    
    
    

    SECURITY

           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.
    
    
    

    DIAGNOSTICS

           Problems and transactions are logged to syslogd(8).
    
    
    

    BUGS

           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.
    
    
    

    CONFIGURATION PARAMETERS

           Changes  to  main.cf are picked up automatically, as qmqpd(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.
    
    
    

    CONTENT INSPECTION CONTROLS

           content_filter (empty)
                  The name of a mail delivery transport that filters mail after it
                  is queued.
    
           receive_override_options (empty)
                  Enable or disable recipient validation, built-in content filter-
                  ing, or address mapping.
    
    
    

    RESOURCE AND RATE CONTROLS

           line_length_limit (2048)
                  Upon input, long lines are chopped up into  pieces  of  at  most
                  this length; upon delivery, long lines are reconstructed.
    
           hopcount_limit (50)
                  server matches a pattern in the debug_peer_list parameter.
    
           debug_peer_list (empty)
                  Optional  list  of  remote  client or server hostname or network
                  address  patterns  that  cause  the  verbose  logging  level  to
                  increase by the amount specified in $debug_peer_level.
    
           soft_bounce (no)
                  Safety  net to keep mail queued that would otherwise be returned
                  to the sender.
    
    
    

    TARPIT CONTROLS

           qmqpd_error_delay (1s)
                  How long the QMQP server will pause before  sending  a  negative
                  reply to the client.
    
    
    

    MISCELLANEOUS CONTROLS

           config_directory (see 'postconf -d' output)
                  The  default  location of the Postfix main.cf and master.cf con-
                  figuration 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.
    
           ipc_timeout (3600s)
                  The  time  limit  for  sending  or receiving information over an
                  internal communication channel.
    
           max_idle (100s)
                  The maximum amount of time that an idle Postfix  daemon  process
                  waits for an incoming connection before terminating voluntarily.
    
           max_use (100)
                  The maximal number of incoming connections that a Postfix daemon
                  process will service before terminating voluntarily.
    
           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.
    
           qmqpd_authorized_clients (empty)
                  What clients are allowed to connect to the QMQP server port.
    
           queue_directory (see 'postconf -d' output)
                  The location of the Postfix top-level queue directory.
    
           syslog_facility (mail)
                  The syslog facility of Postfix logging.
    
    
    
    

    SEE ALSO

           http://cr.yp.to/proto/qmqp.html, QMQP protocol
           cleanup(8), message canonicalization
           master(8), process manager
           syslogd(8), system logging
    
    
    

    README FILES

           Use  "postconf readme_directory" or "postconf html_directory" to locate
           this information.
           QMQP_README, Postfix ezmlm-idx howto.
    
    
    

    LICENSE

           The Secure Mailer license must be distributed with this software.
    
    
    

    HISTORY

           The qmqpd service was introduced with Postfix version 1.1.
    
    
    

    AUTHOR(S)

           Wietse Venema
           IBM T.J. Watson Research
           P.O. Box 704
           Yorktown Heights, NY 10598, USA
    
                                                                          QMQPD(8)
    
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