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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:
| + | The following pages defines the headers added to each message by the mail user agent: |
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| − | <pre>DKIM-Signature: a=rsa-sha1; c=relaxed/relaxed;
| + | * [[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;
| + | |
| − | 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:
| + | * [[Gmail Header Format]] |
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| − | <pre>Message-ID: <f6a363400703050910y7d591d42raf015fcef16f95ea@mail.gmail.com>
| + | * [[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.
| + | * [[Microsoft Mail Header Format]] |
| | + | * [[Mutt Header Format]] |
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| − | == External Links == | + | * [[Outlook Header Format]] |
| − | * [https://mail.google.com/ Gmail] | + | * [[Outlook Express Header Format]] |
| − | * [http://www.elandsys.com/resources/sendmail/dkim.html DKIM Signatures]
| + | |
| | + | * [[Pine Header Format]] |
| | + | |
| | + | * [[Thunderbird Header Format]] |
| | + | |
| | + | * [[Yahoo! Mail Header Format]] |
| | + | |
| | + | == See Also == |
| | + | * [[Email Headers]] |
The following pages defines the headers added to each message by the mail user agent: