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QSHAPE(1)							     QSHAPE(1)

       qshape - Print Postfix queue domain and age distribution

       qshape [-s] [-p] [-m min_subdomains]
	       [-b bucket_count] [-t bucket_time]
	       [-l] [-w terminal_width]
	       [-c config_directory] [queue_name ...]

       The qshape program helps the administrator understand the Postfix queue
       message distribution in time and by sender domain or recipient  domain.
       The program needs read access to the queue directories and queue files,
       so it must run as the superuser or the mail_owner specified in  main.cf
       (typically postfix).


       -s     Display  the sender domain distribution instead of the recipient
	      domain distribution.  By default the recipient  distribution  is
	      displayed.  There  can  be more recipients than messages, but as
	      each message has only one sender, the sender distribution  is  a
	      message distribution.

       -p     Generate	aggregate  statistics  for  parent  domains. Top level
	      domains are not shown, nor are domains with fewer than  min_sub
	      domains subdomains. The names of parent domains are shown with a
	      leading dot, (e.g. .example.com).

       -m min_subdomains
	      When used with the -p option, sets the minimum  subdomain  count
	      needed  to show a separate line for a parent domain. The default
	      is 5.

       -b bucket_count
	      The age distribution is broken up into a sequence  of  geometri
	      cally  increasing  intervals.  This  option  sets  the number of
	      intervals or "buckets". Each bucket has a maximum queue age that
	      is  twice  as  large  as	that  of the previous bucket. The last
	      bucket has no age limit.

       -t bucket_time
	      The age limit in minutes for the first time bucket. The  default
	      value  is  5,  meaning  that  the  first	bucket counts messages
	      between 0 and 5 minutes old.

       -l     Instead of using a geometric age	sequence,  use	a  linear  age
	      sequence, in other words simple multiples of bucket_time.

	      This feature is available in Postfix 2.2 and later.

       -w terminal_width
	      The  output  is  right  justified,  with the counts for the last
	      bucket shown on the  80th  column,  the  terminal_width  can  be
	      adjusted for wider screens allowing more buckets to be displayed
	      without truncating the domain names on the left. When a row  for
	      a  full  domain name and its counters does not fit in the speci
	      fied number of columns, only the last 17	bytes  of  the	domain
	      name  are  shown	with  the  prefix replaced by a + character.
	      Truncated parent domain rows are shown as .+ followed  by  the
	      last 16 bytes of the domain name. If this is still too narrow to
	      show the domain name and all the	counters,  the	terminal_width
	      limit is violated.

       -c config_directory
	      The main.cf configuration file is in the named directory instead
	      of the default configuration directory.


	      By default qshape displays  the  combined  distribution  of  the
	      incoming	and  active  queues.  To  display  a  different set of
	      queues, just list their directory names  on  the	command  line.
	      Absolute paths are used as is, other paths are taken relative to
	      the main.cf queue_directory parameter  setting.	While  main.cf
	      supports the use of $variable expansion in the definition of the
	      queue_directory parameter, the qshape program does not.  If  you
	      must use variable expansions in the queue_directory setting, you
	      must specify an explicit absolute path for each queue  subdirec
	      tory even if you want the default incoming and active queue dis

       mailq(1), List all messages in the queue.
       QSHAPE_README Examples and background material.

       $config_directory/main.cf, Postfix installation parameters.
       $queue_directory/maildrop/, local submission directory.
       $queue_directory/incoming/, new message queue.
       $queue_directory/hold/, messages waiting for tech support.
       $queue_directory/active/, messages scheduled for delivery.
       $queue_directory/deferred/, messages postponed for later delivery.

       The Secure Mailer license must be distributed with this software.

       Victor Duchovni
       Morgan Stanley


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