postcard.addTo(address);
                }));
                BeanUtil.copyMapToBean(dataMap, postcard);
            });
            saveInfo(messages -> messages.addSuccessSendTestmail(GLOBAL));
            updateProperty(Constants.NOTIFICATION_TO_PROPERTY, form.notificationTo);
            systemProperties.store();
        } catch (final Exception e) {

     * <pre>
     * message: Sent a test mail.
     * </pre>
     * @param property The property name for the message. (NotNull)
     * @return this. (NotNull)
     */
    public FessMessages addSuccessSendTestmail(String property) {
        assertPropertyNotNull(property);
        add(property, new UserMessage(SUCCESS_send_testmail));
        return this;
    }

    /**