diff -up squirrelmail-webmail-1.4.22/functions/global.php.php54strict squirrelmail-webmail-1.4.22/functions/global.php
--- squirrelmail-webmail-1.4.22/functions/global.php.php54strict	2012-02-23 10:57:51.355460623 +0100
+++ squirrelmail-webmail-1.4.22/functions/global.php	2012-02-23 10:58:16.201649682 +0100
@@ -21,6 +21,7 @@ define('SQ_SERVER',5);
 define('SQ_FORM',6);
 
 /** First code that should be executed before other files are loaded */
+ini_set('error_reporting', E_ALL & ~E_NOTICE & ~E_STRICT);
 
 /**
  * Must be executed before any other scripts are loaded.