Testing mail with jetty jndi.

Change-Id: If4393b189e1eaa4380cbccfc8e126e336d122945
diff --git a/core/src/main/java/de/ids_mannheim/korap/user/User.java b/core/src/main/java/de/ids_mannheim/korap/user/User.java
index 8732a21..3cba4a2 100644
--- a/core/src/main/java/de/ids_mannheim/korap/user/User.java
+++ b/core/src/main/java/de/ids_mannheim/korap/user/User.java
@@ -24,9 +24,10 @@
 @Data
 public abstract class User implements Serializable {
 
-//    public static final int ADMINISTRATOR_ID = 34349733;
-//    public static final String ADMINISTRATOR_NAME = "admin";
-
+    //EM: add
+    private String email;
+    //EM: finish
+    
     private Integer id;
     // in local its username, in shib it's edupersonPrincipalName
     private String username;