if [ ! -f /etc/xinetd.d/smtpproxy ]; then
  cat <<EOF > /etc/xinetd.d/smtpproxy
service smtpproxy
{
	disable		= no
	type		= UNLISTED
	port		= 24
	socket_type	= stream
	protocol	= tcp
	wait		= no
	user		= clamav
	server		= /opt/local/sbin/smtp.proxy
	server_args	= -c /opt/local/sbin/smtp.proxy.ccp.clamav localhost:11025
	groups		= yes
	flags		= REUSE
	only_from	= 127.0.0.1
	only_from	+= 192.168.0.0/24 219.166.94.168/29
	only_from	+= 192.168.1.0/24 210.154.62.64/29
	only_from	+= 192.168.2.0/24
	only_from	+= 192.168.5.0/24
}
EOF
fi