MailMessage m = new MailMessage();
                m.From = new MailAddress(localMail, localName);
                m.To.Add(TO);
                m.Subject = SUBJECT;
                m.Body = BODY;
                m.BodyEncoding = System.Text.Encoding.UTF8;
                m.IsBodyHtml = bIsHtml;
                m.ReplyTo = new MailAddress(localMail);
                m.Priority = MailPriority.High;
                SmtpClient smtp = new SmtpClient("smtp.163.com");
                smtp.Credentials = new NetworkCredential("account", "password");
                smtp.EnableSsl = true;
                smtp.Send(m);