Index: src/main/java/com/xpn/xwiki/api/XWiki.java
===================================================================
--- src/main/java/com/xpn/xwiki/api/XWiki.java	(revision 7394)
+++ src/main/java/com/xpn/xwiki/api/XWiki.java	(working copy)
@@ -2870,4 +2870,19 @@
         long c = Long.parseLong(a) + Long.parseLong(b);
         return "" + c;
     }
+
+    /**
+     * API to retrieve the e-mail address of the specified user. This e-mail address is taken from
+     * the user profile. If the user hasn't changed his profile, then this is the e-mail address he
+     * filled in the registration form.
+     * 
+     * @param user Fully qualified username as retrieved from $context.user (XWiki.LudovicDubost)
+     * @return The e-mail address from the user profile
+     */
+    public String getUserEmail(String user)
+    {
+        Document userdoc = getDocument(user);
+        userdoc.use("XWiki.XWikiUsers");
+        return (String) userdoc.getValue("email");
+    }
 }