Notes for Computer Information Technology 160
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oct29-email.md 1.2KB

October 29 - E-Mail

  • E-Mail is modeled on Mail but automated
  • Mail has an Envelope and Content
  • E-Mail has a header and a body
  • The Envelope at least has a sender and receiver
  • The E-Mail header has one sender and one or multiple receivers
  • From: only one person
  • To: one or many persons
  • CC - Carbon Copy
  • BCC - Blind Carbon Copy
  • Email Spoofing - When someone puts another person’s email address in the From:
  • A transfer agent shows all the devices that passed the email like traceroute

Example Header:

Return-Path: <example_from@dc.edu>
X-SpamCatcher-Score: 1 [X]
Received: from [136.167.40.119] (HELO dc.edu)
    by fe3.dc.edu (CommuniGate Pro SMTP 4.1.8)
    with ESMTP-TLS id 61258719 for example_to@mail.dc.edu; Mon, 23 Aug 2004 11:40:10 -0400
Message-ID: <4129F3CA.2020509@dc.edu>
Date: Mon, 23 Aug 2005 11:40:36 -0400
From: Taylor Evans <example_from@dc.edu>
User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.0.1) Gecko/20020823 Netscape/7.0
X-Accept-Language: en-us, en
MIME-Version: 1.0
To: Jon Smith <example_to@mail.dc.edu>
Subject: Business Development Meeting
Content-Type: text/plain; charset=us-ascii; format=flowed
Content-Transfer-Encoding: 7bit