怎么定期发送邮件_ASP.NET

如何定期发送邮件
用什么方式可以定期给到期用户发送提醒邮件。

------解决方案--------------------------------------------------------
webservice..

AJAX组件中的Timer

或者可以写个控制台应用程序

服务器如果是SERVER2003的话
使用自带的任务计划，规定什么时候执行一次

执行的就是查询哪些用户到期了，发送邮件

方法很多种的
------解决方案--------------------------------------------------------
http://topic.csdn.net/u/20080702/09/c9dc99a1-3649-4677-a4ad-3bcdcb978fd5

Run a thread

C# code

bool mailThreadStarted = false;protected virtual void Application_Start(object sender, EventArgs e){   Application.Lock();   if(!mailThreadStarted)   {    Thread th = new Thread(SendEmailWorker);        th.IsBackground = true;        th.Start();        mailThreadStarted = true;   }   Application.UnLock();}private void SendEmailWorker(){  while(true)  {    ..sending email code    Thread.Sleep(...);  }}
------解决方案--------------------------------------------------------
探讨
http://topic.csdn.net/u/20080702/09/c9dc99a1-3649-4677-a4ad-3bcdcb978fd5 

Run a thread 

C# code
bool mailThreadStarted = false;

protected virtual void Application_Start(object sender, EventArgs e)
{
   Application.Lock();

   if(!mailThreadStarted)
   {
    Thread th = new Thread(SendEmailWorker);
        th.IsBackground = true;
        th.Start();
        mailThreadStart…