--- phpmailer.module.orig	2011-05-19 11:29:31.000000000 -0400
+++ phpmailer.module	2011-05-19 11:32:02.000000000 -0400
@@ -100,6 +100,7 @@ function phpmailer_mailengine($op, $mess
     case 'single':
     case 'send':
       module_load_include('inc', 'phpmailer', 'includes/phpmailer.mimemail');
+      module_load_include('inc', 'mimemail', 'mimemail');
       return mimemail_phpmailer_send($message);
   }
 }