asp.net中发送Email

     //第一个参数是发送方邮箱，第二个是发送到的邮箱地址，然后主题，content具体内容
            MailMessage message = new MailMessage("123456@163.com", 57684444@qq.com, "蒋京", "亲爱的

13971922250@139.com：<br />感谢您申请注册网易通行证! 请点击链接完成注册：<br />点击验证网易通行证帐户

http://localhost:9838/Default.aspx");
            message.IsBodyHtml = true;
            SmtpClient smtpClient = new SmtpClient();
            smtpClient.Host = "Smtp.163.com";
            smtpClient.Credentials = new NetworkCredential("123456@163.com", "***********");
            smtpClient.Send(message);