diff -ruN dokuwiki-rc2009-12-02.orig/inc/mail.php dokuwiki-rc2009-12-02/inc/mail.php
--- dokuwiki-rc2009-12-02.orig/inc/mail.php	2009-12-02 20:50:12.000000000 +0200
+++ dokuwiki-rc2009-12-02/inc/mail.php	2009-12-09 12:55:04.412961968 +0200
@@ -8,7 +8,7 @@
 
 if(!defined('DOKU_INC')) die('meh.');
 require_once(DOKU_INC.'inc/utf8.php');
-require_once(DOKU_INC.'inc/EmailAddressValidator.php');
+require_once('/usr/share/php/php-email-address-validation/EmailAddressValidator.php');
 
 // end of line for mail lines - RFC822 says CRLF but postfix (and other MTAs?)
 // think different