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qconfirm-cdb-check(1)	     General Commands Manual	   qconfirm-cdb-check(1)

NAME
     qconfirm-cdb-check - match a mail address against a constant database

SYNOPSIS
     qconfirm-cdb-check [-vD] [-c cdb] [-t sec]

DESCRIPTION
     Normally qconfirm-cdb-check is run by qconfirm-check(1) before requesting a
     delivery  confirmation  for  mail from an envelope sender mail address.  If
     qconfirm-cdb-check exits 0, qconfirm-check(1) doesn't  request  a	delivery
     confirmation from this sender.

     qconfirm-cdb-check assumes the environment variable SENDER to be set to the
     envelope  sender  mail  address.	It  creates  an id based on $SENDER, and
     matches the id against entries in the constant database ~/.qconfirm/ok.cdb.
     ok.cdb normally is created and maintained by qconfirm-cdb-update(1).

     If qconfirm-cdb-check successfully matches $SENDER, it reads the time-stamp
     of the id that matches $SENDER in ok.cdb, updates the time-stamp if  it  is
     older than sec seconds, and exits 0.

OPTIONS
     -c cdb
	    Set the filename of the constant database to be checked to cdb.  De-
	    fault  is  ``ok.cdb'' (in the qconfirm directory).	This option also
	    overrides the environment variable QCONFIRM_OKCDB, and the	configu-
	    ration  file  QCONFIRM_OKCDB.   Note:  If qconfirm-cdb-check updates
	    cdb, it creates cdb.tmp as temporary file.	If  cdb.tmp  exists,  it
	    will be destroyed.

     -t sec
	    Set  the interval for updating time-stamps of ids in cdb to sec sec-
	    onds.  Default is 2419200 (four weeks).

     -D     no domain match.   Don't  use  extended  envelope  sender  addresses
	    matching for domains and sub-domains.

     -v     verbose.  Print verbose messages to standard output.

CONFIGURATION
     qconfirm-cdb-check  reads	its configuration from files in the subdirectory
     conf/ of the qconfirm directory (normally ``~/.qconfirm/conf/'').	Only the
     first line of a configuration file is considered.

     QCONFIRM_OKCDB
	    The configuration file QCONFIRM_OKCDB overrides the default name  of
	    the user's constant database for known ids (``ok.cdb'').

ENVIRONMENT
     SENDER
	    qconfirm-cdb-check assumes the environment variable SENDER to be set
	    to	the  envelope sender mail address.  If $SENDER is not set, qcon-
	    firm-cdb-check complains and exits 100.

     QCONFIRM_DIR
	    The environment variable QCONFIRM_DIR overrides the default location
	    of the user's qconfirm directory (``.qconfirm'').

     QCONFIRM_OKCDB
	    The environment variable QCONFIRM_OKCDB overrides the  default  name
	    of	the user's constant database for known ids (``ok.cdb''), and the
	    configuration file QCONFIRM_OKCDB.

SEE ALSO
     qconfirm-cdb-update(1), qconfirm(1),  qconfirm-check(1),  qconfirm-conf(1),
     qconfirm-inject(1),  qconfirm-notice(1),  qconfirm-accept(1),  qconfirm-re-
     turn(1), qconfirm-control(1)

     http://smarden.org/qconfirm/

AUTHOR
     Gerrit Pape <pape@smarden.org>

							   qconfirm-cdb-check(1)

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