Patches to version 1.30:

1. Fix login security hole for blank password.
global.inc, line 270, insert (before the if($PHP_AUTH_USER statement):

       while (strlen($PHP_AUTH_PW) == 0) {
                login_prompt();
        }

2. Fix theme inconsistency.
folder.php3, line 52:
change
	$first = "ffffff"; $second = "ddeebb";
to
	$first = $COLOR_ROW_OFF; $second = $COLOR_ROW_ON;

3. Add a "Back to <folder>" button for reading and composing messages.
message.php3, on line 28, and in compose.php3 on line 87, insert:

<input type=button value="Back to <?php echo $folder?>" onClick="window.location='index.php3?folder=<?php echo $folder ?>'">