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exact(8)							      exact(8)

NAME
       exact - smtp relay authentication based on previous pop or imap authen‐
       tication

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  authentica‐
       tion.   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 dae‐
	      mon 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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