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Difference between pages "Gmail Header Format" and "List of MUA Header Formats"

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Because [[Gmail]] is a [[web based application]] and can be changed at any time, the information in this article may not reflect the current state of Gmail headers. In general Gmail headers have a [[DomainKeys Identified Mail]] (DKIM) signature line that contains a signature for the message in question. These lines appear above the standard Message-ID fields. These signatures are of the format:  
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The following pages defines the headers added to each message by the mail user agent:
  
<pre>DKIM-Signature: a=rsa-sha1; c=relaxed/relaxed;
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* [[Apple Mail Header Format]]
        d=gmail.com; s=beta;
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        h=domainkey-signature:received:received:message-id:date:from:to:subject:mime-version:content-type;
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        b=OITvzFGKQQUjywUQB7U8dQypDAeOGqBIhfcb8VKioP2UU5P2aJL3l2adoyRqSp9h/Fo9A6wY5EIRsfaCWM9ge+EzCob/
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4p85jcEn3uW8dpRyBFQXMuK2q0RMIk3FznrXAM4W5FvoJIPP04qgXErar+/hZq03vEUIErV1v6p2Fy4=
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DomainKey-Signature: a=rsa-sha1; c=nofws;
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        d=gmail.com; s=beta;
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        h=received:message-id:date:from:to:subject:mime-version:content-type;
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        b=oC+hlWhBboQ+RlsKCL4r2pQxpgKRM9iUgCBmw9wZqlEcxj+A3q+fJkDXgLKmI1twfvTHj7GQ3HDzSLzw982UD
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+CPh1bPQxkhNbylUBRtwpoFeixIk7OmR2YE1iYrYpQXf3dEcXNfKs7ffoeY18plJNJG0S8RRmXLaR6XqXFVUoo=
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</pre>
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Note that some of the <tt>Received</tt> lines will contain hosts with IP addresses like 10.x.x.x. These addresses are non-routable but part of the Gmail system. The remaining headers look like:
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* [[Gmail Header Format]]
  
<pre>Message-ID: <f6a363400703050910y7d591d42raf015fcef16f95ea@mail.gmail.com>
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* [[Hotmail Header Format]]
Date: Mon, 5 Mar 2007 09:10:41 -0800
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From: UserName <address@gmail.com>
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To: OtherUserName <address@system.com>
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Subject: Subject Line
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MIME-Version: 1.0</pre>
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The format of the Message-ID field is not known.
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* [[Microsoft Mail Header Format]]
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* [[Mutt Header Format]]
  
== External Links ==
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* [[Outlook Header Format]]
* [https://mail.google.com/ Gmail]
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* [[Outlook Express Header Format]]
* [http://www.elandsys.com/resources/sendmail/dkim.html DKIM Signatures]
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* [[Pine Header Format]]
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* [[Thunderbird Header Format]]
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* [[Yahoo! Mail Header Format]]
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== See Also ==
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* [[Email Headers]]

Revision as of 15:17, 21 April 2007

The following pages defines the headers added to each message by the mail user agent:

See Also