如何从我的应用程序发送电子邮件时，我避免延误？ [英] How do I avoid a delay when sending email from my application?

问题描述

我有一个小型控制台应用程序。它检查一些设置，使得一些决定，并发送电子邮件。问题是邮件实际上并没有被发送到我的应用程序完成。我希望电子邮件尽快送我的方法发送电子邮件完成。

I have a small console application. It checks a few settings, makes some decisions, and sends an email. The problem is the email doesn't actually get sent until my application finishes. I want the email sent as soon as my method that sends the email completes.

起初，我刚刚创建了一个MailMessage，并呼吁。发送（）。这时候，我发现邮件没有被发送，直到程序完成。

Initially, I just created a MailMessage and called .Send(). That's when I noticed the mail was not being sent until the app finished.

然后我试图使用任务并行库。

Then I tried using the task parallel library.

var taskA = Task.Factory.StartNew(() => msg.Send());

同样，消息不会被发送到我的整个应用程序完成。

Again, the messages don't get sent until my entire application finishes.

如何在msg.send执行，我发了封邮件而不是应用程序完成时？

How do I sent an email when msg.send executes, not when the app completes?

谢谢！

推荐答案

SmptClient 支持异步通过发送邮件 SendAsync ，但是在Web应用程序实际上这挂起的请求线程。

SmptClient supports async sending of mail via SendAsync, however in practice in a web application this hangs the request thread.

要避免阻塞我推荐使用线程池来断火在后台线程中的电子邮件。这不会阻止你的应用程序。

To avoid blocking I recommend using the ThreadPool to fire off the email in a background thread. This won't block your application.

ThreadPool.QueueUserWorkItem(o => {
    using (SmtpClient client = new SmtpClient(...))
    {
        using (MailMessage mailMessage = new MailMessage(...))
        {
            client.Send(mailMessage, Tuple.Create(client, mailMessage));
        }
    }
}); 

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