Difference between revisions of "Yahoo! Mail Header Format"

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The '''Yahoo! Web Mail''' header format has changed over time, but currently includes the [[List of webmail services that include the sending IP address|sender's IP address]], a domain key signature, and some other helpful information.
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The '''Yahoo! Web Mail''' header format has changed over time, but currently includes the [[IP addresses in webmail messages|sender's IP address]], a domain key signature, and some other helpful information.
  
 
DomainKey-Signature
 
DomainKey-Signature

Revision as of 10:03, 14 February 2009

The Yahoo! Web Mail header format has changed over time, but currently includes the sender's IP address, a domain key signature, and some other helpful information.

DomainKey-Signature

DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws;
  s=s1024; d=yahoo.com;
  h=Received:Date:From:Subject:To:MIME-Version:Content-Type:Content-Transfer-Encoding:Message-ID;
  b=ql3kRKrhner1LTFFVBgCYI1uqK4+8hrb6d/Fefr/HkLuObQwIrIpEXA1OiagbuFZU+H+ue1anFvm1cHQ4hjpdUcjpIIPL7ldNL9YnOxauugdVW+
  OpbTvAu0XaGf2t7eBqOWJF0Y5gM7TE27WdElgVRikunfCQca1VFV6KSuQP0o=;

Here is a sample mail header. Note that the 'date' field will change from (PDT) to (PST) depending on the status of daylight savings time in California, USA. The sender's IP address is represented as a.b.c.d in the example below.

Mail Header

Received: from [a.b.c.d] by web53409.mail.re2.yahoo.com via HTTP; Sat, 14 Feb 2009 05:42:03 PST
X-Mailer: YahooMailWebService/0.7.260.1
Date: Sat, 14 Feb 2009 05:42:03 -0800 (PST)
From: Sender Name <sender@yahoo.com>
Reply-To: sender@yahoo.com
Subject: Test Message
To: recipient@domain.com
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Message-ID: <695976.86300.qm@web53409.mail.re2.yahoo.com>