Configuration config = configurationManager.getConfiguration();
Container container = config.getContainer();
ValueStack stack = container.getInstance(ValueStackFactory.class).createValueStack();
stack.getContext().put(ActionContext.CONTAINER, container);
ActionContext.setContext(new ActionContext(stack.getContext()));
ActionContext.getContext().setSession(new HashMap<String, Object>());
// change the port on the mailSender so it doesn't conflict with an
// existing SMTP server on localhost