asp.net c# 定时发送邮件

C# code

protected override void OnStart(string[] args)

        {

            MyTimer();

        }

        //实例化System.Timers.Timer  

        private void MyTimer()

        {

            //设置时间间隔

            System.Timers.Timer MT = new System.Timers.Timer(int.Parse(ConfigResource.Interval)*60*1000);

            MT.Elapsed += new System.Timers.ElapsedEventHandler(MTimedEvent);

            MT.Enabled = true;

        }

        //构造System.Timers.Timer实例   间隔时间事件 (定时执行事件)

        private void MTimedEvent(object source, System.Timers.ElapsedEventArgs e)

        {

            //开始工作

            StartWork();

        }

        public void StartWork()

        {

             //从数据库DB查询表A中的时间   代码省略。。。

               //时间比较

               if(...)   //时间大于当前系统时间

             {

                  //发送邮件

                    int iStatus = SendMail("你指定的收件人Email地址","标题","内容");

                  if( iStatus > 0)

                  {

                       using (StreamWriter sw = new StreamWriter(filePath + "log.txt", System.Text.Encoding.GetEncoding("utf-8")))

                         {

                             sw.Wirte(System.DateTime.Now.ToString() + " 发送邮件成功!")

                         }

                  }

                  else{//失败}

             }

        }

/// <summary>

        /// 发送EMAIL

        /// </summary>

        /// <param name="sRecipientEmail">收件人地址</param>

        /// <param name="sSubject">主题</param>

        /// <param name="sMessage">内容</param>

        /// <returns>发送是否成功</returns>

        public bool SendMail(string sRecipientEmail, string sSubject, string sMessage)

        {

            //邮件对象

            MailMessage emailMessage;

            //smtp客户端对象

            SmtpClient client;

            // 初始化邮件对象

            String sSenderEmail = "你的邮箱";

emailMessage = new MailMessage(sSenderEmail, sRecipientEmail, sSubject, sMessage);

            emailMessage.IsBodyHtml = true;

            emailMessage.SubjectEncoding = System.Text.Encoding.Default;

            emailMessage.BodyEncoding = System.Text.Encoding.Default;

            //加入

            emailMessage.Headers.Add("X-Priority", "3");

            emailMessage.Headers.Add("X-MSMail-Priority", "Normal");

            emailMessage.Headers.Add("X-Mailer", "Microsoft Outlook Express 6.00.2900.2869");

            emailMessage.Headers.Add("X-MimeOLE", "Produced By Microsoft MimeOLE V6.00.2900.2869");

            //邮件发送客户端

            client = new SmtpClient();

            //邮件服务器及帐户信息

            client.Host = "邮件服务器";

            //client.Host = "smtp.163.com";

           

            //client.Port = 465;

            //client.EnableSsl = true;

            System.Net.NetworkCredential Credential = new System.Net.NetworkCredential();

         

            Credential.UserName = "你的邮箱帐号"   //可以在资源文件中配置

            Credential.Password = "密码"

            client.Credentials = Credential;

            try

            {

                client.Send(emailMessage);

            }

            catch (Exception e)

            {

                return false;

            }

            return true;

        }