public void UnSubscribe()
        {
            IAppConfig      mailConfig      = new MailAppConfig("appid", "appkey");
            AddressBookMail addressBookMail = new AddressBookMail(mailConfig);

            addressBookMail.SetAddress("*****@*****.**", "leo");
            string outMessage = string.Empty;

            addressBookMail.UnSubscribe(out outMessage);
            Console.WriteLine(outMessage);
            Console.ReadKey();
        }
        public void UnSubscribe()
        {
            IAppConfig      mailConfig      = new MailAppConfig("10050", "2be0927e1628e16e1ccdb6f5800caac9");
            AddressBookMail addressBookMail = new AddressBookMail(mailConfig);

            addressBookMail.SetAddress("*****@*****.**", "leo");
            string outMessage = string.Empty;
            bool   issuccess  = addressBookMail.UnSubscribe(out outMessage);

            if (!issuccess)
            {
                Console.WriteLine(outMessage);
            }
        }