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exact(8)               DragonFly System Manager's Manual              exact(8)


NAME

       exact - smtp relay authentication based on previous pop or imap
       authentication


SYNOPSIS

       exact [ options ]


DESCRIPTION

       Often you may wish to allow selective SMTP relaying, based on a user
       having previously authenticated against an IMAP or POP server.
       Although this is a bit of a kluge, it is popular because it provides
       simple configuration for users.

       This daemon watches the logs produced by IMAP or POP files (by default
       /var/log/maillog) for lines indicating a user's successful
       authentication.  If a user successfully authenticates, then their IP
       address is added to a list of addresses from which relaying should be
       allowed.

       This list is periodically cleaned of old entries.

       See http://adju.st/dist for more information.


OPTIONS

       -f     run in the foreground, rather than running as a daemon.

       -d     produce copious debugging output.  Only has effect when the
              daemon is running in the foreground.


SIGNALS

       SIGHUP The daemon will re-read it's configuration files.

       SIGTERM
              The daemon will terminate, removing the relay and pid files.

       SIGALRM
              The daemon will clean the relay cache (note that this happens
              automatically in any case).

       SIGUSR1
              The daemon will dump it's state tables to the dumpfile.


SEE ALSO

       exact.conf(5), exim(8), imapd(8), ipopd(8)


AUTHOR

       Doug Winter <doug@pigeonhold.com>


LICENSE

       This software is released under the GNU General Public License

                                                                      exact(8)

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