在ASP.NET中发送大批邮件的最好方式是什么？ [英] What is the best way to send large batches of emails in ASP.NET?

问题描述

我正在循环使用数据采集器，并调用System.Net.Mail.SmtpClient的Send（）方法。这个问题就是这样很慢。每个电子邮件大约需要5-10秒钟发送（这可能是我的主机的一个问题）。我不得不覆盖我的web.config文件中的executionTimeout默认值（默认为90秒），如下所示：

I'm currently looping through a datareader and calling the System.Net.Mail.SmtpClient's Send() method. The problem with this is that it's slow. Each email takes about 5-10 seconds to send (it's possible this is just an issue with my host). I had to override the executionTimeout default in my web.config file (it defaults to 90 seconds) like this:

 <httpRuntime executionTimeout="3000" />

一个警告：我在一个共享的主机上，所以我不认为这是可能的我使用PickupDirectoryFromIis选项发送（至少在我打开它时给我错误）。

One caveat: I'm on a shared host, so I don't think it is possible for me to send using the PickupDirectoryFromIis option (at least, it gave me errors when I turned it on).

推荐答案

你可以发送邮件异步。这样超时不应该中断你的发送。

You could send the mail asynchronous. That way the timeout should not interrupt your sending.

这篇文章应该可以帮助你开始：在C＃中异步发送电子邮件。

This article should help you get started with that: Sending Emails Asynchronously in C#.

这里还有另一种方法： http://www.vikramlakhotia.com/Sending_Email_asynchronously_in_AspNet_20.aspx

There is another approach here: http://www.vikramlakhotia.com/Sending_Email_asynchronously_in_AspNet_20.aspx

当然还有几个商业客户端可用，但是我唯一一个可以推荐的商业客户端是 http：/ /www.aspnetemail.com/

And off course there are several commercial clients available, but the only one that i have tried and can recommend is http://www.aspnetemail.com/

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