? mimemail_hook_mail_attachments_1.patch
Index: mimemail.module
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/mimemail/mimemail.module,v
retrieving revision 1.50
diff -u -p -r1.50 mimemail.module
--- mimemail.module	12 Aug 2010 11:06:18 -0000	1.50
+++ mimemail.module	26 Aug 2010 19:31:27 -0000
@@ -268,6 +268,7 @@ if (strpos(variable_get('smtp_library', 
     }
     $headers = isset($message['headers']) ? $message['headers'] : array();
     $mailkey = isset($message['id']) ? $message['id'] : '';
-    return mimemail($from, $to, $subject, $body, NULL, $headers, NULL, array(), $mailkey);
+	$attachments = isset($message['attachments']) ? $message['attachments'] : array();
+    return mimemail($from, $to, $subject, $body, NULL, $headers, NULL, $attachments, $mailkey);
   }
 }