QMAIL help tcprules

[Pannitteri Fabrizio]

what's tcprules in the script for start/restart qmail????


----
...
..
cdb)
    tcprules /etc/tcp.smtp.cdb /etc/tcp.smtp.tmp < /etc/tcp.smtp
    chmod 644 /etc/tcp.smtp*
    echo "Reloaded /etc/tcp.smtp."
    ;;
...
...
cdb -- rebuild the tcpserver cdb file for smtp
....



thanks