filter_sender


Again, optional

    sub filter_sender ($$$$) {
        my ($sender, $ip, $hostname, $helo) = @_;
        if ($sender =~ /^<?spammer@badguy.com>?$/i) {
            return (0, 'Sorry; spammer@badguy.com is blacklisted.');
        }
        return (1, "ok");
    }