User-Agent: Mozilla/5.0 (Windows U Windows NT 5.1 en-US rv:1.0.1) Gecko/20020823 Netscape/7.0Ĭontent-Type: text/plain charset=us-ascii format=flowedĬontent-Transfer-Encoding: 7bit Why Would You Want to Analyze Email Headers? Received: from (HELO dc.edu)īy fe3.dc.edu (CommuniGate Pro SMTP 4.1.8) Let’s take a look at this example from What Is My IP Address: The best way to conceptualize an email header is to see an example of a full email header in action. When emails are sent, the body of the message is part of the transmission (obviously).īut preceding that core content are header lines that include information like the sender, the recipient, the subject line, and the date these bits of information are parsed by your email client, and some are made visible to you so you have a better understanding of the message’s context. The envelope is something you generally don’t need to think about it’s part of an internal process that’s used to route the email.Īn email header is something different. The body of the message is something you’re already familiar with-it’s the content you write. There’s the envelope, the body of the message, and its header.
You can think of an email in terms of its basic anatomy.
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