[root@mail squirrelmail-1.4.8]# diff -wuN ./functions/global.php /var/www/squirrelmail/functions/global.php
--- ./functions/global.php 2006-07-29 16:57:52.000000000 +0800
+++ /var/www/squirrelmail/functions/global.php 2012-04-27 08:58:45.000000000 +0800
@@ -89,7 +89,7 @@
* strings.php sets $PHP_SELF.
*/
require_once(SM_PATH . 'functions/strings.php');
-require_once(SM_PATH . 'config/config.php');
+require_once('/etc/squirrelmail/config.php');
/** set the name of the session cookie */
if(isset($session_name) && $session_name) {