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Garry ShapeFlag for United States of America

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E-mail bounce-back of email user didn't send

I've been seeing a few of these a week in our environment, for different users.

But what happens is someone will get an e-mail like this one below, but they don't have anything in their Sent Items (Outlook 2010 or OWA) on the date/time of the timestamp, so I'm not sure why they're getting it or where it could be coming from.


-----Original Message-----
From: postmaster@ourdomain.com [mailto:postmaster@ourdomain.com]
Sent: Thursday, May 16, 2013 10:25 AM
To: David Johnson
Subject: Delivery Notification - New Secure Message

The message or an attachment did not reach the intended recipient(s).!
Subject: New Secure Message
From: narcsqp@anotherdomain.com
To: djohnson@ourdomain.com
Date: Thu, 16 May 2013 09:24:36 -0600
Reason: attachment type policy violation (SecureMessage.exe)
Action: quarantine
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Rajitha Chimmani
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Check your server logs which could give information of any attempts. You could also get the source of these emails from the logs.
SOLUTION
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edster9999
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Thanks, guys. Makes sense to me. Will explore solutions based on findings.