string mailBody = string.Format("<h2>取回密碼簡訊</h2><br>以下是您的登入密碼:{0},請妥善保管。<br>", pwd);

                        string
                            smtpName = ConfigurationManager.AppSettings["SendEmailName"],
                            smtpPwd = ConfigurationManager.AppSettings["SendEmailPWD"];

                        if (smtpName.IsNullOrEmpty())
                            smtpName = "[email protected]";

                        if (smtpPwd.IsNullOrEmpty() || smtpName == [email protected])
                            smtpPwd = "123456789";

                        //傳送郵件
                        new ByecityMailSmtp("mail.byecity.com", 25, smtpName, smtpPwd, "202.106.0.20", false, "-會員服務", smtpName).Send(
                            smtpName,
                            email,
                            "會員服務丨會員取回密碼確認郵件",
                            mailBody,
                            new string[] { },
                            Encoding.Default,
                            true,
                            MailPriority.Normal);