Allow overriding all metadata fields, including custom fields

redirect.php

@@ -16,7 +16,7 @@ $params = array(
   'url' => 'https://hq.megaphonetech.com',
   'key' => '4kaq0ZLsWDndWEKN8O3D',
   'unknown-user' => 'create',
-  'allow-override' => 'tracker,priority,category,status,project,assigned_to,start_date,due_date,estimated_hours,done_ratio',
+  'allow-override' => 'all',
   'project' => 'catch',
   'tracker' => 'general',
 );
@@ -46,7 +46,7 @@ while (!feof($fd)) {
 
   //Alter the Subject if this is a test.
   $subjectAlterTo = substr($deliveredTo, 1, 12);
-  if(substr($deliveredTo, 1, 12) == 'support-test' &&
+  if(substr($deliveredTo, 1, 15) == 'support_mt_test' &&
     preg_match("/^Subject:(.*)/i", $line)) {
     $line = $subject = str_replace('Subject: ', 'Subject: [TEST] ', $line);
   }