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rpc.dracd(8)

22 Jul 1998

drac

Dynamic Relay Authorization Control (pop-before-smtp)

NAME

rpc.dracd - Dynamic Relay Authorization Control server

SYNOPSIS

rpc.dracd [-i ] [ -e expire ] [ dbfile ]

AVAILABILITY

ftp.cc.umanitoba.ca:/src

DESCRIPTION

rpc.dracd is the Dynamic Relay Authorization Control server. It uses the Berkeley db package to maintain a relay authorization map for sendmail, by default /etc/mail/dracd.db. POP and IMAP mail servers make an RPC call to add an entry to the authorization cache after they have authenticated each user. The daemon, rpc.dracd, adds or updates entries in the cache, and periodically expires old entries. Only trusted mail servers are permitted to communicate with rpc.dracd, as controlled by /etc/dracd.allow. If this file does not exist, all local IP addresses are permitted.

Allow File Format

The Allow File file consists of entries of the form:
netmask netaddr
where both netmask and netaddr must be dotted quads.

OPTIONS

-i Initialize the database on startup.
-e expire Set the expire time limit. expire is the number of minutes the entries will remain in the database. It defaults to 30 minutes.
dbfile Use a different database file name.

FILES

/etc/mail/dracd.db default database file
/etc/dracd.allow default allow file.

SEE ALSO

NOTES

The following signals have the specified effect when sent to the server process using the kill(1) command.
SIGTERM closes the database and terminates the server.
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