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public ActionResult lead()
       {
           SendEmail("邮箱号", "吃饭么？", "你要吃什么啊");
           return View("Index");
       }
 
       /// <summary>
       /// 发送邮件
       /// </summary>
       /// <param name="mailTo">要发送的邮箱</param>
       /// <param name="mailSubject">邮箱主题</param>
       /// <param name="mailContent">邮箱内容</param>
       /// <returns>返回发送邮箱的结果</returns>
       public bool SendEmail(string mailTo, string mailSubject, string mailContent)
       {
           // 设置发送方的邮件信息,例如使用网易的smtp
 
           string smtpServer = "smtp.163.com"; //SMTP服务器
           string mailFrom = "deh3025763@163.com"; //登陆用户名
           string userPassword = "qwertyuiop000";//登陆密码
 
           // 邮件服务设置
           SmtpClient smtpClient = new SmtpClient();
           smtpClient.DeliveryMethod = SmtpDeliveryMethod.Network;//指定电子邮件发送方式
           smtpClient.Host = smtpServer; //指定SMTP服务器
           smtpClient.Credentials = new System.Net
 
           .NetworkCredential(mailFrom, userPassword);//用户名和密码
 
           // 发送邮件设置       
           MailMessage mailMessage = new MailMessage(mailFrom, mailTo); // 发送人和收件人
           mailMessage.Subject = mailSubject;//主题
           mailMessage.Body = mailContent;//内容
           mailMessage.BodyEncoding = Encoding.UTF8;//正文编码
           mailMessage.IsBodyHtml = true;//设置为HTML格式
           mailMessage.Priority = MailPriority.High;//优先级
           smtpClient.EnableSsl = false;   //QQ邮箱 需要加为true
           try
           {
               smtpClient.Send(mailMessage); // 发送邮件
               return true;
           }
           catch (SmtpException ex)
           {
               return false;
           }
       }