ruby-on-rails – 仅发送纯文本电子邮件,Rails mime部分包含在正文中

我有一个rails应用程序发送许多通知电子邮件.我们希望让用户选择纯文本和 HTML.

最初我们的愿望总是多部分因此我们没有设置内容类型,只是简单地使用了email.html.erb& email.text.erb视图,它们都将被发送并创建一个multipart.

但是现在,当我们根据用户首选项指定content_type时,它确实将其自身设置为multipart或plain / text,但html模板作为纯文本包含在纯文本电子邮件的底部.

这是代码：

邮件行动：

def client_creation(client) # When client checks in for the first time
   @client = client
   content_type = client.company.html_emails ? nil : 'text/plain'
   email_prefix = client.company.brand ? client.company.brand.email_subject_prefix : 'MonitoringClient'
   mail(to: @client.company.administrative_reporting_address,subject: "[#{email_prefix}][Initial Check-in] #{@client.machine_name.html_safe} of #{@client.clientgroup.name}",content_type: content_type)
end

上面的代码检查客户公司是否启用了html_emails,如果是,则将content_type设置为plain / text.其结果如下：

IRB输出：

#<Mail::Message:70269523266340,Multipart: false,Headers: <Date: Sun,11 Nov 2012 09:09:43 -0600>,<From: notifications@monitoringclient.com>,<To: ommitted>,<Message-ID: <509fbfb7e0c4e_11e113fe8e4435b4084183@Jonathan.local.mail>>,<Subject: [Initial Check-in] Jonathan of hivemind labs>,<Mime-Version: 1.0>,<Content-Type: text/plain>,<Content-Transfer-Encoding: 7bit>>

到目前为止,如此好的Multipart是false content_type是text / plain但是接下来是生成的电子邮件正文：

----==_mimepart_509fbfb7ddb8b_11e113fe8e4435b4083853
Date: Sun,11 Nov 2012 09:09:43 -0600
Mime-Version: 1.0
Content-Type: text/plain;
 charset=UTF-8
Content-Transfer-Encoding: 7bit
Content-ID: <509fbfb7de92a_11e113fe8e4435b408399f@Jonathan.local.mail>

First check-in notification for Jonathan.

=========================== CLIENT DETAILS ===========================
MACHINE INFORMATION:
  MacBookAir4,1

REPORT TIME:
  Nov 11,2012  8:17am
CLIENT GROUP:
  Hivemind Labs
MACHINE NAME:
  Jonathan
LAST USER:
  Jonathan
SERIAL NUMBER:
  ommited


MACHINE SPECIFICATIONS:
  RAM:
    4 GB
  PROCESSOR INFO:
    1x
    1.8 GHz,2 core
    Intel Core i7
CLIENT VERSION:
  5.0.5
UPTIME AT LAST CHECKIN:
  4 days,21 hours,11 mins



----==_mimepart_509fbfb7ddb8b_11e113fe8e4435b4083853
Date: Sun,11 Nov 2012 09:09:43 -0600
Mime-Version: 1.0
Content-Type: text/html;
 charset=UTF-8
Content-Transfer-Encoding: 7bit
Content-ID: <509fbfb7e0496_11e113fe8e4435b40840ce@Jonathan.local.mail>

<!DOCTYPE html>
<html>
<head>
<title> </title>
</head>
<body leftmargin="0" marginwidth="0" topmargin="0" marginheight="0" offset="0">
    <table style="Box-shadow: 0px 0px 28px -10px #222; margin: 10px auto 20px" border="0" cellpadding="0" cellspacing="0" width="600" id="templateContainer" >
    <tr>
                <td align="center" valign="top">
                    <table border="0" cellpadding="0" cellspacing="0" width="600" id="templateHeader">
                        <tr>
                            <td class="headerContent">

                            </td>
                        </tr>
                    </table>
                </td>
            </tr>
    <tr>
                <td align="left" valign="top" style="width:600px">
                    <table border="0" cellpadding="10" cellspacing="0" width="600px" id="templateBody">
                        <tr>
                            <td valign="top" class="bodyContent">
                                <table border="0" cellpadding="0" cellspacing="0" width="600px">
                                    <tr>
                                        <td valign="top">
                                            <div class="mainContent">

<style type="text/css" media="screen">
  table.info tr  td:first-child{
        width:40%;
        color: #ffffff;
        text-shadow:1px 1px 1px #555;
        background-color: #2C2C2C;
        background-image: -moz-linear-gradient(top,#888,#777);
        background-image: -ms-linear-gradient(top,#777);
        background-image: -webkit-gradient(linear,0 0,0 100%,from(#888),to(#777));
        background-image: -webkit-linear-gradient(top,#777);
        background-image: -o-linear-gradient(top,#777);
        background-image: linear-gradient(top,#777);
        background-repeat: repeat-x;
        filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#888',endColorstr='#777',GradientType=0);
        -webkit-Box-shadow: 0 1px 3px rgba(0,0.25),inset 0 -1px 0 rgba(0,0.1);
        -moz-Box-shadow: 0 1px 3px rgba(0,0.1);
        Box-shadow: 0 1px 3px rgba(0,0.25)
      }
      legend + .page-actions.page-actions-small {
      margin-top: -49px;
      }
</style>
  <legend>Client Details</legend>
<div id="" class="page-actions page-actions-small pull-right">
  <a href="#" class="btn btn-mini">Complete Overview</a>
</div> <!-- close:  page-actions -->
<table style="" class="table table-bordered table-striped table-condensed info">
  <tbody>
    <tr><td>Client Group</td><td>Hivemind Labs</td></tr>
    <tr><td>Serial Number</td><td></td></tr>
    <tr><td>Machine Name</td><td> Jonathan</td></tr>
    <tr><td>Last User</td><td>Jonathan</td></tr>
    <tr><td>Operating system</td><td>OS X 10.8.2 (12C60)</td></tr>
    <tr><td>Installed RAM</td><td>4 GB</td></tr>
    <tr><td>Model Details</td><td>MacBookAir4,1</td></tr>
    <tr><td>Uptime</td><td>4 days,11 mins</td></tr>
  </tbody>
</table>

                                                </div>
                                        </td>
                                    </tr>
                                </table>
                            </td>
                        </tr>
                    </table>
                </td>
            </tr>
            <tr>
                <td align="center" valign="top">
                    <table border="0" cellpadding="5" cellspacing="0" width="100%">
                        <tr>
                            <td style="padding: 0 0 20px 20px">
                                <small class="copyright"> All Rights Reserved.</small>
                            </td>
                        </tr>
                    </table>
                </td>
            </tr>
        </table>
</body>

</html>



----==_mimepart_509fbfb7ddb8b_11e113fe8e4435b4083853--

为什么所有的mime部分数据,为什么html内容可见为文本？我想要一个纯文本的电子邮件.这不是如何实现的吗？

我注意到的一件事是电子邮件的html部分说content_type：’text / html’.也许这就是为什么它被包括在内？这可以预防吗？

这个问题似乎很接近,但似乎这个人只是试图找出如何发送multipart,这不是我们的问题：
Rails mailer mimepart visible as text in message body

我也尝试将文本模板更改为email.text.plain.erb后,在几个地方看到它,但也没有用.

如果有人好奇,这是电子邮件标题：

Delivered-To: jon@hivemindlabs.com
Received: by 10.60.124.225 with SMTP id ml1csp294562oeb;
    Sun,11 Nov 2012 07:09:46 -0800 (PST)
Received: by 10.236.122.143 with SMTP id t15mr16902572yhh.26.1352646586007;
    Sun,11 Nov 2012 07:09:46 -0800 (PST)
Return-Path: <info@hivemindlabs.com>
Received: from mail-gh0-f181.google.com (mail-gh0-f181.google.com [209.85.160.181])
    by mx.google.com with ESMTPS id p20si1615988ano.75.2012.11.11.07.09.45
    (version=TLSv1/SSLv3 cipher=OTHER);
    Sun,11 Nov 2012 07:09:45 -0800 (PST)
Received-SPF: pass (google.com: domain of info@hivemindlabs.com designates 209.85.160.181 as permitted sender) client-ip=209.85.160.181;
Authentication-Results: mx.google.com; spf=pass (google.com: domain of info@hivemindlabs.com designates 209.85.160.181 as permitted sender) smtp.mail=info@hivemindlabs.com
Received: by mail-gh0-f181.google.com with SMTP id z22so1332210ghb.26
    for <jon@hivemindlabs.com>; Sun,11 Nov 2012 07:09:45 -0800 (PST)
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
    d=google.com; s=20120113;
    h=date:from:to:message-id:subject:mime-version:content-type
     :content-transfer-encoding:x-gm-message-state;
    bh=OFH7ScRSXxkeW0Ig+UdGXMRcNoKwEcIPDFaTVrwnnRs=;
    b=i+Oq1YtnJVh3hM6bB5JgXbZGUS1KnvIsyX2zU2UCoCGtGd1DrvifYQGTPSkqbjlqg0
     vArkYg9ZOApVkueLh8fU3lXocCgXy1cSQ7pnTDo5aj2YKyNj8XcshGU5PN24nKmNkJNn
     AOHD75ounew3lrfL/dPGx5rfD6ROIgOORIHioPUSs9sFPUbbfu1OsPDBlAAv4zPWbBuG
     tbjR1JL7DntD3sPzcHiZJ9XyajhhuYQPZ/j5f/++Bdyfqq1s8uxlZvapQlndai58KtqU
     EjmDb91+C/uIc9FwcT2YE0vv3pdrIHnlGYmfyX/sB0ZDDET+dTFcCOmbqpbaAwxavRb+
     GAUg==
Received: by 10.236.83.103 with SMTP id p67mr16870674yhe.78.1352646585386;
    Sun,11 Nov 2012 07:09:45 -0800 (PST)
Return-Path: <info@hivemindlabs.com>
Received: from gmail.com (ip-216-115-131-150.static.eatel.net. [216.115.131.150])
    by mx.google.com with ESMTPS id u11sm3665339ane.11.2012.11.11.07.09.44
    (version=TLSv1/SSLv3 cipher=OTHER);
    Sun,11 Nov 2012 07:09:45 -0800 (PST)
Date: Sun,11 Nov 2012 09:09:43 -0600
From: info@hivemindlabs.com
To: jon@hivemindlabs.com
Message-ID: <509fbfb7e0c4e_11e113fe8e4435b4084183@Jonathan.local.mail>
Subject: [Initial Check-in] Jonathan of hivemind labs
Mime-Version: 1.0
Content-Type: text/plain;
  charset=UTF-8
Content-Transfer-Encoding: 7bit
X-Gm-Message-State:  ALoCoQlSNX58YFYU6Idzq84zch66CnL12QD/WrT3R8kcu0wT2jV9oppA1clUl9pHY2hta0vIMqJx

@H_403_35@

解决方法

mail(to: @client.company.administrative_reporting_address,subject: "[#{email_prefix}][Initial Check-in] \
              #{@client.machine_name.html_safe} of #{@client.clientgroup.name}",content_type: content_type) do |format|
  format.html if client.company.html_emails
  format.text 
end

由于邮件程序操作称为client_creation,因此将为HTML部分呈现模板“client_creation.html.erb”(如果条件为true),并为文本部分呈现模板“client_creation.text.erb”. html_emails是公司为启用/禁用html电子邮件而设置的标志.有关更多信息,请参阅http://guides.rubyonrails.org/action_mailer_basics.html

@H_403_35@ @H_403_35@ 原文链接：https://www.f2er.com/ruby/264468.html

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ruby-on-rails – 仅发送纯文本电子邮件,Rails mime部分包含在正文中

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