--- includes/mail.inc	2011-03-28 10:09:40.797463300 +0200
+++ includes/mailNew.inc	2011-03-28 10:11:31.192501700 +0200
@@ -108,6 +108,7 @@ function drupal_mail($module, $key, $to,
     'from'     => isset($from) ? $from : $default_from,
     'language' => $language,
     'params'   => $params,
+    'send'     => $send,
     'subject'  => '',
     'body'     => array()
   );
@@ -147,7 +148,7 @@ function drupal_mail($module, $key, $to,
   $message = $system->format($message);
 
   // Optionally send e-mail.
-  if ($send) {
+  if ($message['send']) {
     $message['result'] = $system->mail($message);
 
     // Log errors