Thursday, September 24, 2009

"Yahoo will shut down your marketing account." But I don't have one.

As in the previous post on secure computing, this one also addresses an email from Yahoo... but it's actually NOT from Yahoo, it only seems to be. When in doubt, check the source code of the message. In Gmail, go to the arrow button next to the Reply button in the top row above the message, and select View Original.
Here's the source code of my email (with some sensitive data replaced with X), note the bolded lines, especially the first one, pointing to the actual sender of the email

Received: by with SMTP id xxxxxxxx;
Thu, 24 Sep 2009 11:51:22 -0700 (PDT)
Received: by with SMTP id s18mr26832ibf.3.1253818281942;
Thu, 24 Sep 2009 11:51:21 -0700 (PDT)
Received: from ( [])
by with ESMTP id 2si8388721iwn.5.2009.;
Thu, 24 Sep 2009 11:51:21 -0700 (PDT)
Received-SPF: pass ( domain of designates as permitted sender);
Authentication-Results:; spf=pass ( domain of designates as permitted sender)
Date: Thu, 24 Sep 2009 11:51:21 -0700 (PDT)
Message-Id: <>
Received: from [] (port=49529 helo=localhost.localdomain)
by with esmtpa (Exim 4.69)
(envelope-from )
id 1MqtPV-0002kb-15
for; Thu, 24 Sep 2009 11:51:21 -0700
Content-type: text/html; charset=us-ascii

Dear Member,

Your Yahoo Marketing account has expired. You must renew it immediately or your
account will be closed. If you intend to use this service in the future,
you must take action at once!

To continue click here, login to your Yahoo Marketing account and follow the steps.

Thank you for using Yahoo Marketing!

Yahoo Marketing Services DEP.
Please do not reply to this email. This mailbox is not monitored and you
will not receive a respons.

So, be careful what you do, and don't let yourself be misled by such emails.

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