HTML电子邮件缺少附件

当我使用Ruby 1.92发送HTML电子邮件时，附件不会在某些电子邮件客户端中显示。附件应该是一个pdf文件。我可以在交换服务器上看到Outlook 2010中的附件，但不能在雅虎网络邮件中看到。HTML电子邮件缺少附件

如果我只是禁用HTML正文一切正常。

下面是代码：

require 'mail' 

body_text = File.read('body.html') 
subject_text = File.read("subject.txt") 

Mail.defaults do 
    delivery_method :smtp, { :address => "servername", :port => "25", :user_name => "name", :password => "password", :authentication => 'login'} 
end 

message = Mail.new do 
    from ARGV[0] 
    to ARGV[1] 
    subject subject_text 

    # if I comment out this section everything works fine 
    html_part do 
     content_type 'text/html; charset=UTF-8' 
     body body_text 
    end 

    add_file ARGV[2] 
end 

message.deliver!

这里是HTML来源：

<html> 
<body> 
<p style="font-family:trebuchet ms,helvetica,sans-serif;">Hello, <br /> 
<br /> 
This email was sent from Geiger and contains your A/R aged report for date. For any questions please call the Geiger helpdesk @ 207-755-2510<br /> 
Technical Details:<br /> 
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Sent from: Server_Name<br /> 
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Sent To: rep_id<br /> 
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Original Email: to_email<br /> 
<br /> 
Helpdesk Please forward all enquiries to so and so<br /> 
<br /> 
<img src="http://www.geiger.com/logo.gif" /></p> 
</body> 
</html>

这里是message.to_s的输出：

Date: Tue, 22 Nov 2011 08:22:52 -0500 

From: [email protected] 

To: [email protected] 

Message-ID: <4ecba22c9ecb[email protected]> 

Subject: Your report for November, 2011 - consoto Gets it! 

Mime-Version: 1.0 

Content-Type: multipart/alternative; 

boundary="--==_mimepart_4ecba22c550e5_1cec974ab416812"; 

charset=UTF-8 

Content-Transfer-Encoding: 7bit 







----==_mimepart_4ecba22c550e5_1cec974ab416812 

Date: Tue, 22 Nov 2011 08:22:52 -0500 

Mime-Version: 1.0 

Content-Type: text/plain; 

charset=UTF-8; 

filename=test_attatchment.txt 

Content-Transfer-Encoding: 7bit 

Content-Disposition: attachment; 

filename=test_attatchment.txt 

Content-ID: <[email protected]> 



This is a test 



----==_mimepart_4ecba22c550e5_1cec974ab416812 

Date: Tue, 22 Nov 2011 08:22:52 -0500 

Mime-Version: 1.0 

Content-Type: text/html; 

charset=UTF-8 

Content-Transfer-Encoding: 7bit 

Content-ID: <[email protected]> 



<html> 

<body> 

<p style="font-family:trebuchet ms,helvetica,sans-serif;">Hello, <br /> 

<br /> 

This email was sent from consoto and contains your report for Nov 2011. For any questions please call the consoto helpdesk @ 207-755-2510<br /> 

Technical Details:<br /> 

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Sent from: GBFA100016<br /> 

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Sent To: BDB<br /> 

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Original Email: [email protected]<br /> 

<br /> 

Helpdesk Please forward all enquiries to Wesley Staples or Shawn White<br /> 

<br /> 

<img src="http://www.consoto.com/logo.gif" /></p> 

</body> 

</html> 





----==_mimepart_4ecba22c550e5_1cec974ab416812--

来源

2011-11-21 Cryptographic_ICE

这可能是一些客户端删除它为垃圾邮件？这是什么邮件库？也许问题应该针对该图书馆的联系信息？ – DGM

在确实看到消息正确的客户端上，您能查看原始源代码（包括头文件）并发布完整的原始消息吗？ – DGM

如果您使用的是https://github.com/mikel/mail，则发布'message.to_s'的输出（使用小的txt文件而不是pdf） – DGM

问题在于您的

Content-Type: multipart/alternative;

当这些邮件具有内容类型“multipart/alternative”和附件时，某些邮件程序不会正确解析邮件。在这种情况下，你必须用这种结构建立的消息：

- multipart/mixed 
    - multipart/alternative 
...

你可以这样说：

unless mail_attachments.blank? 
    mail.part :content_type => "multipart/alternative" do |p| 
    p.text_part = text_part 
    p.html_part = html_part 
    end 
    mail_attachments.each do |file| 
    mail.add_file file.local_path 
    end 
else 
    mail.text_part = text_part 
    mail.html_part = html_part 
end

来源

2015-03-16 11:26:40

感谢让我走上正轨。感谢你，我在自述文件中找到了另一个示例：https：//github.com/mikel/mail#making-multipartalternate-without-a-block – amenthes

HTML电子邮件缺少附件

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