Set maildir as default format for mailboxes.

Till Brehm

2016-04-20 a585f9b154da019b9d93bad643f82b8f7ddf8832

 interface/web/tools/interface_settings.php

@@ -126,7 +126,7 @@
         print '<script type="text/javascript">document.location.reload();</script>';
         exit;
      }
      else parent::onShow();
      //else parent::onShow();
   }