--- content.token.inc.orig	2008-07-10 16:46:45.000000000 +0200
+++ content.token.inc	2008-07-10 16:46:52.000000000 +0200
@@ -132,6 +132,7 @@
 
       $tokens['user reference']['uid']   = t('Referenced user ID');
       $tokens['user reference']['name']  = t('Referenced user name');
+      $tokens['user reference']['mail']  = t("Referenced user email address");
       $tokens['user reference']['link']  = t('Formatted HTML link to referenced user');
 
       return $tokens;
@@ -142,8 +143,10 @@
     if ($type == 'field') {
       $item = $object[0];
 
+      $refuser_mail = db_result(db_query("select mail from {users} where uid=%d",$item['uid']));
       $tokens['uid']   = $item['uid'];
       $tokens['name']  = strip_tags($item['view']);
+      $tokens['mail']  = $refuser_mail;
       $tokens['link']  = $item['view'];
 
       return $tokens;