blocks|key|2741708|text|你应该加上|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2741709|config.action_mailer.perform_deliveries+=+true|code-block|syntax|javascript|2741710|默认情况下，这是错误的，阻止从您的开发环境发送邮件.|2741711|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|K|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|L|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|M|8|@]|9|@]|A|$]]|$1|I|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|J|$]]

You should add

<pre><code>config.action_mailer.perform_deliveries = true
</code></pre>

as by default this is on false, preventing mails to be sent from your development environment...

blocks|key|1375745|text|对于不使用smtp的人，除了显式地设置要执行的传递之外，将传递方法切换到sendmail还可以帮助我：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1375746|config.action_mailer.delivery_method+=+:sendmail|code-block|syntax|javascript|1375747|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

For anyone not using smtp, switching the delivery method to sendmail helped me in addition to explicitly setting deliveries to be performed:

<pre><code>config.action_mailer.delivery_method = :sendmail
</code></pre>

blocks|key|2712530|text|如果您在从控制台发送电子邮件时遇到问题，则必须调用邮件上的传递方法。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2712531|MyMailer.create_email.deliver|code-block|syntax|javascript|2712532|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

If you're having issues sending email from console, you have to call the deliver method on your mail.

<pre><code>MyMailer.create_email.deliver
</code></pre>

blocks|key|2712627|text|所有这些答案都是很棒的，但是还有另外一个地方可以让您烧掉，特别是在调试的上下文中。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2712628|在development.rb中，确保设置了config.action_mailer.raise_delivery_errors+=+true|offset|length|style|CODE|2712629|如果您的.deliver方法似乎没有问题，但您从未真正通过网络接收到电子邮件，那么您的传递方法可能会抛出异常，rails正在吞咽错误。如果您有一些简单的东西，比如配置错误的凭据，或者aws访问被拒绝的API错误，这是非常正确的。保存掉你的头发，并确保你已经打开raise_delivery_errors。它想告诉你一些事情但却不能。|2712630|entityMap^0|0|1|E|M|1D|0|4|8|3M|L|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|M|8|@$D|N|E|O|F|G]|$D|P|E|Q|F|G]]|9|@]|A|$]]|$1|H|3|I|5|6|7|R|8|@$D|S|E|T|F|G]|$D|U|E|V|F|G]]|9|@]|A|$]]|$1|J|3|-4|5|6|7|W|8|@]|9|@]|A|$]]]|K|$]]

All of these answers are great, but there is another place where you can get burned, especially in the context of debugging. 

In <code>development.rb</code> make sure you set <code>config.action_mailer.raise_delivery_errors = true</code>

If your <code>.deliver</code> method seems to be working without issue, but you never actually receive the email across the wire, your delivery method may be throwing an exception and rails is swallowing the error. This is very true if you simply have something as simple as a misconfigured credentials, or an aws access denied API error. Save ripping your hair out and make sure you have <code>raise_delivery_errors</code> turned on. It wants to tell you something but can't.

blocks|key|1375806|text|所以我想通了。让ActionMailer::Base.delivery_method+=+:smtp行在config/environment.rb中覆盖config/environments/test.rb中的ActionMailer::Base.delivery_method+=+:test。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|1375807|所以，删除该行，ActionMailer::Base.delivery_method+=+:smtp从config/environment.rb中删除，并将其放在config/environments/production.rb中。这允许您将ActionMailer::Base.delivery_method+=+:test放在config/environments/test.rb中，并将您想要的版本放在config/environments/development.rb中。当我使用Faker填充我的数据库时，我制作了development.rb+:test，并将它更改为:smtp，所以我确信真正的电子邮件是作为额外检查发送的。|1375808|注意:要使这些更改生效，必须重新启动服务器。|1375809|另一个注意事项:+Heroku当前的SendGrid指令(https://devcenter.heroku.com/articles/sendgrid)将SendGrid+Heroku配置代码放入一个新的config/initializers/mail.rb文件中，该文件可能需要删除其最后一行并将所需的版本放在每个config/environments/[production.rb,+development.rb,+test.rb]中|1375810|entityMap|0|LINK|mutability|MUTABLE|url|https://devcenter.heroku.com/articles/sendgrid^0|8|16|1G|L|24|R|2X|16|0|8|16|1F|L|29|X|3D|16|4L|R|5O|Y|7A|E|7P|5|81|5|0|0|2U|R|4E|1O|T|1A|0|0^^$0|@$1|2|3|4|5|6|7|T|8|@$9|U|A|V|B|C]|$9|W|A|X|B|C]|$9|Y|A|Z|B|C]|$9|10|A|11|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|12|8|@$9|13|A|14|B|C]|$9|15|A|16|B|C]|$9|17|A|18|B|C]|$9|19|A|1A|B|C]|$9|1B|A|1C|B|C]|$9|1D|A|1E|B|C]|$9|1F|A|1G|B|C]|$9|1H|A|1I|B|C]|$9|1J|A|1K|B|C]]|D|@]|E|$]]|$1|H|3|I|5|6|7|1L|8|@]|D|@]|E|$]]|$1|J|3|K|5|6|7|1M|8|@$9|1N|A|1O|B|C]|$9|1P|A|1Q|B|C]]|D|@$9|1R|A|1S|1|1T]]|E|$]]|$1|L|3|-4|5|6|7|1U|8|@]|D|@]|E|$]]]|M|$N|$5|O|P|Q|E|$R|S]]]]

So I've figured it out. Having the line <code>ActionMailer::Base.delivery_method = :smtp</code> in <code>config/environment.rb</code> overrides <code>ActionMailer::Base.delivery_method = :test</code> in <code>config/environments/test.rb</code>.

So, delete that line, <code>ActionMailer::Base.delivery_method = :smtp</code> from <code>config/environment.rb</code> and place it in <code>config/environments/production.rb</code>. That allows you to place <code>ActionMailer::Base.delivery_method = :test</code> in <code>config/environments/test.rb</code> and the version you want in <code>config/environments/development.rb</code>. I made <code>development.rb</code> <code>:test</code> as I populated my database using Faker and changed it to <code>:smtp</code> so I was sure that real emails were sent as an additional check.

Note: You must restart your server for these changes to take effect.

Another note: Heroku's current SendGrid Instructions (<a href="https://devcenter.heroku.com/articles/sendgrid" rel="nofollow">https://devcenter.heroku.com/articles/sendgrid</a>) put the SendGrid Heroku configuration code in a new <code>config/initializers/mail.rb</code> file which will likely require removing its last line and placing the desired version in each <code>config/environments/[production.rb, development.rb, test.rb]</code>

Why is this mailer not sending any mail? (Or any ideas for debugging?)

In my_app/config/environments/development.rb I have this code:

<pre><code> config.action_mailer.delivery_method = :smtp
 config.action_mailer.smtp_settings = {
 address: 'smtp.gmail.com',
 port: 587,
 domain: 'my_app.com',
 user_name: ENV['GMAIL_USERNAME'],
 password: ENV['GMAIL_PASSWORD'],
 authentication: 'plain',
 enable_starttls_auto: true }
</code></pre>

Then on my local computer in ~/.bash_profile I have this code:

<pre><code>export GMAIL_USERNAME='blah@my_app.com'
export GMAIL_PASSWORD='***'
</code></pre>

When I run <code>$ env</code> in my terminal, I see that both environment variables are correctly set.

I have also restarted my rails server.

ActionMailer not sending mail in development Rails 4

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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为什么这个邮递员不发邮件？(或者对调试有什么想法？)在my_app/config/environments/development.rb中，我有以下代码：  config.action_mailer.delivery_method = :smtp  config.action_mailer.smtp_settings = {    address:              'smtp.gmail

问ActionMailer没有在开发Rails 4中发送邮件
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