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Reading e-mail headers

1. Reading e-mail headers is occasionally needed to diagnose a delivery, or a spam marking or filtering issue. Occasionally we ask that a customer send us one or more of the following: 2. We have taken a real piece of spam, removed the customer name for privacy purposes, and marked it so you as a customer may 'see' what we at 'support' see when we read the 'full headers' of an e-mail. With this knowledge, you can help get us the three pieces of information we usually need to diagnose a problem accurately, when taken in combination with the log files we maintain:

 Color  Field 
 Green  Received: 
 Blue  Message-ID: 
 Red  X-Spam 

3. All reading commences at the left hand margin, and continues to the end of the line. When copying something onto the clip-board, if a line 'carries over' for more than one line, please include all content until the next line which starts with a value, terminated by the separator of a 'colon' and a 'space' [i.e.: ": "]

4. In the example, the following are found:
 Field (Color)  Field Contents 
Received: from mail.iwaynet.net ([unix socket])
     by mail.iwaynet.net (Cyrus v2.3.7-Invoca-RPM-2.3.7-12.el5_7.2) with LMTPA;
     Wed, 13 Aug 2014 12:05:21 -0400
Received: from smtp.iwaynet.net (smtp.iwaynet.net [])
     by mail.iwaynet.net (8.13.8/8.13.8) with ESMTP id s7DG5La5025599
     (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK)
     for <privacy@iwaynet.net>; Wed, 13 Aug 2014 12:05:21 -0400
Received: from gurkhas.wholebody.eu (gurkhas.wholebody.eu [])
     by smtp.iwaynet.net (8.13.8/8.13.8) with ESMTP id s7DG58fp029299
     for <privacy@iwaynet.net>; Wed, 13 Aug 2014 12:05:22 -0400
Received: by 0575147d.gurkhas.wholebody.eu
     (amavisd-new, port 13762) with ESMTP id 05CDIBUJYX7514KFAGDSOQ7D;
     for <privacy@iwaynet.net>; Wed, 13 Aug 2014 09:05:20
X-Spam-Level: *
X-Scanned-By: MIMEDefang 2.71 on

5. Please click each of the following two links, in the sub-section of this page: Sample headers

6. This will open two new panels in your web browser, so you may compare the 'colorized' email, and the flat text original, as shown above:

Sample headers

HTML form
Plain TXT form

Copyright (c) 2014 781 Resolution, LLC
Support: support@iwaynet.net