Now anonymous users can confirm the change of email even if they are not authenticated, some users update the email from a desktop browser but check the email from mobile

app/coffee/modules/auth.coffee

@@ -474,9 +474,12 @@ ChangeEmailDirective = ($repo, $model, $auth, $confirm, $location, $params, $nav
         form = $el.find("form").checksley()
 
         onSuccessSubmit = (response) ->
+            if $auth.isAuthenticated()
                 $repo.queryOne("users", $auth.getUser().id).then (data) =>
                     $auth.setUser(data)
                     $location.path($navUrls.resolve("home"))
+            else
+                $location.path($navUrls.resolve("login"))
 
             text = $translate.instant("CHANGE_EMAIL_FORM.SUCCESS")
             $confirm.success(text)