{
    my @rbllist = split /:/, ${'smtpfront-qmail'}{RBLList} || '';
    if (scalar @rbllist)
    {
	$OUT = 'RBLSMTPD="/usr/local/bin/rblsmtpd ';
	$OUT .= join " ", map { "-r $_" } @rbllist;
	$OUT .= '"';
    }
    else
    {
	$OUT = "# No RBLs are defined";
    }
}
