try to apply maxsize limit in DB

zimbraSingle.php

@@ -811,6 +811,13 @@ function zimbraSingle_ServiceSingleSignOn($params) {
  * @return *success* or an error
  */
 function zimbraSingleUpdateQuota($params) {
+    logModuleCall(
+        'zimbrasingle',
+        __FUNCTION__,
+        $params,
+        'Debug',
+        ''
+    );
     if(isset($params['configoptions']['addonQuota'])) {
         $addonQuota = $params['configoptions']['addonQuota'] ? $params['configoptions']['addonQuota'] : 0 ;
         $newAddQuota = $params['configoptions']['newAddQuota'] ? $params['configoptions']['newAddQuota'] : 0;