＆QUOT; SMTP主机没有指定＆QUOT。 - 但它被指定？ [英] "The SMTP host was not specified." - but it is specified?

问题描述

我在这里稍微困惑 - 我收到以下错误：

I'm slightly baffled here - I'm receiving the following error:

SMTP主机没有指定。

The SMTP host was not specified.

虽然我的code似乎是正确的（从我所看到的）。

Even though my code appears to be correct (from what I can see).

我能够通过包括控制器，例如内部的所有细节做手工。

I am able to do it manually by including all the details inside of the controller, e.g.

SmtpClient smtpClient = new SmtpClient("smtp.gmail.com");
smtpClient.Port = 587;
... etc

不过，我不应该这样做，因为我想用里面的 mailSettings （使之成为可重复使用的各种不同的控制器）的细节。

But I shouldn't have to do this, as I want to use the details inside mailSettings (Making it re-usable for various different controllers).

mailSettings 在我的的Web.Config 文件：

<system.net>
   <mailSettings>
     <smtp from="[e-mail]" deliveryMethod="Network" >
       <network host="smtp.gmail.com" defaultCredentials="true" 
                port="587" enableSsl="true" userName="[e-mail]"
                password="example"/>
     </smtp>
   </mailSettings>
</system.net>

我的控制器动作：

My Controller action:

 [HttpPost]
 public ActionResult SubmitFeature(FormData formData)
 {
     SmtpClient smtpClient = new SmtpClient();

     MailMessage mail = new MailMessage();
     mail.To.Add(new MailAddress("[e-mail]"));
     mail.Body = "Test";

     smtpClient.Send(mail);

     return View("Example");
 }

有什么我失踪这可能会导致此？我还没有与任何的Web.Config其他设置弄乱左右，他们因为是建立一个新的MVC5项目时。

Is there anything I'm missing which may be causing this? I haven't messed around with any other settings in Web.Config, they are as is when setting up a new MVC5 project.

推荐答案

在一个干净的MVC项目，我不能复制您的问题。这里继 ScottGu博客帖子，我能得到一个Gmail发送的电子邮件没有问题（VS 2013，.NET 4.5.1，MVC 5）。请注意，在＆LT; system.net＆GT; 元素是一个顶级元素，而不是嵌套的的AppSettings 的内部或＆LT;＆的System.Web GT; 。

In a clean MVC project, I am unable to replicate your issue. Following the ScottGu blog post here, I was able to get a gmail sent email without issue (VS 2013, .NET 4.5.1, MVC 5). Note the the <system.net> element is a top level element and not nested inside of AppSettings or <system.web>.

重要提示

有解决方案中的一些web.config文件中，确保 mailSettings 插入根级别的web.config（而不是一个位于视图文件夹）

There are a few web.config files in your solution, ensure that the mailSettings is inserted into the root level web.config (and not the one located in the Views folder)

的Web.Config

<configuration>
  <system.net>
    <mailSettings>
      <smtp from="[e-mail]">
        <network host="smtp.gmail.com" 
                 port="587" 
                 enableSsl="true" 
                 userName="[e-mail]" 
                 password="SuperSecretPwd" 
                 defaultCredentials="false" /> <!--This must be false on Gmail-->
      </smtp>
    </mailSettings>
  </system.net>
</configuration>

控制器

var smtpClient = new SmtpClient();
var msg = new MailMessage();
msg.To.Add("[e-mail]");
msg.Subject = "Test";
msg.Body = "This is just a test email";
smtpClient.Send(msg);

目前还不清楚，如果你的一些包括是造成问题的额外属性（认为他们不应该），如交付方式。此外，有没有允许SMTP访问的设置或者是说只是IMAP / POP交货？

It is unclear if some of the extra attributes you have included are causing issues (thought they shouldn't) such as delivery method. Also, is there a setting for allowing SMTP access or is that just for IMAP/POP delivery?

如果你可以测试并成功地干净的项目，那么这将指向任何一个web.config转型问题，或者在项目其他一些设置（S）覆盖，你在的地方web.config中的设置。

If you can test and are successful in a clean project, then this would point to either a web.config transformation problem or some other setting(s) in your project overriding the web.config settings that you have in place.

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