Index: mail.inc
===================================================================
--- mail.inc
+++ mail.inc
@@ -220,7 +220,9 @@
     $text = preg_replace('/ +\n/m', "\n", $text);
     // Wrap each line at the needed width.
     $lines = explode("\n", $text);
-    array_walk($lines, '_drupal_wrap_mail_line', array('soft' => $soft, 'length' => strlen($indent)));
+// Bug: http://drupal.org/node/506112
+//    array_walk($lines, '_drupal_wrap_mail_line', array('soft' => $soft, 'length' => strlen($indent)));
+// Bug: http://drupal.org/node/506112
     $text = implode("\n", $lines);
   }
   else {