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I have a rails app that sends out many notification e-mails. We have a desire to let the user choose plain text vs html.
Initially our desire was always multipart so we didn't set a content type and simplyhad both the email.html.erb & email.text.erb views, which would both get sent through and create a multipart.
However now when we specify the content_type based on the users preference a it does set itself properly to multipart or plain/text but the html template is included as plain text at the bottom of the plain text e-mail.
Here is the code:
Mailer Action:
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
The above code checks if the Clients company has html_emails is on, if so it set the content_type to plain/text. Which results in the following:
IRB output:
#<Mail::Message:70269523266340, Multipart: false, Headers: <Date: Sun, 11 Nov 2012 09:09:43 -0600>, <From: [email protected]>, <To: ommitted>, <Message-ID: <[email protected]>>, <Subject: [Initial Check-in] Jonathan of hivemind labs>, <Mime-Version: 1.0>, <Content-Type: text/plain>, <Content-Transfer-Encoding: 7bit>>
So far so good Multipart is false content_type is text/plain but then here is the resulting email body:
----==_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: <[email protected]>
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: <[email protected]>
<!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, #888, #777);
background-image: -webkit-gradient(linear, 0 0, 0 100%, from(#888), to(#777));
background-image: -webkit-linear-gradient(top, #888, #777);
background-image: -o-linear-gradient(top, #888, #777);
background-image: linear-gradient(top, #888, #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, 0, 0.25),inset 0 -1px 0 rgba(0, 0, 0, 0.1);
-moz-box-shadow: 0 1px 3px rgba(0, 0, 0, 0.25),inset 0 -1px 0 rgba(0, 0, 0, 0.1);
box-shadow: 0 1px 3px rgba(0, 0, 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, 21 hours, 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--
Why all the mime part data, why is the html content visible as text? I want a plain text only e-mail. Is this not how that is achieved?
One thing i noticed is that the html section of the e-mail says content_type: 'text/html'. Maybe that is why it's being included? Can this be prevented?
This question seemed to be close but seems this person was just trying to work out how to send multipart, which is not our issue: Rails mailer mimepart visible as text in message body
i also tried changing our text template to email.text.plain.erb after seeing that in a few places but that did not work either.
Here are the email headers if anyone is curious:
Delivered-To: [email protected]
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: <[email protected]>
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 [email protected] 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 [email protected] designates 209.85.160.181 as permitted sender) [email protected]
Received: by mail-gh0-f181.google.com with SMTP id z22so1332210ghb.26
for <[email protected]>; 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: <[email protected]>
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: [email protected]
To: [email protected]
Message-ID: <[email protected]>
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
534
“Plain text” is just how it sounds– plain, simple text, without any enhancements. It is text without additional fonts, designs, or colors added. With plain text email, you won't see additional graphics or embedded multimedia.
A plain text email is as it sounds: It's a simple email message that only includes text. There are no images or graphics and no formatting. You'll also notice all the links are written out.
You can insert a break into plaintext emails using {! BR()} .
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
Since the mailer action is called client_creation, this will render the template 'client_creation.html.erb' for the HTML part (if condition is true) and render the template 'client_creation.text.erb' for the text part. html_emails is a flag set by the company to enable/disable html email. For more info reference http://guides.rubyonrails.org/action_mailer_basics.html
172
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