| Summary: | 碩士 === 義守大學 === 資訊管理學系碩士班 === 96 === With today’s advancement of Internet technology, there seems to be no limit on the bandwidth. There are quite a few kinds of instant messaging software that can replace the traditional telephone communication, and yet electronic mail is still the most common one being used. The format of the electronic mail has also changed from the simplest plain text to an html one, making the content much more rich. On the other hand, such a popularity also causes the inundation of so called email Spam, or unsolicited email, which not only consumes Internet resources but also people’s time.
Our study starts with the analysis based on related literature, followed by experimenting with several ways of transferring emails: Microsoft Outlook Express as the client tool with the ISP email account of one of the authors, Web mail account such as G-mail, employee’s email account, and advertisement sending software, are the senders. Microsoft Outlook Express with other email accounts as the receivers. We analyze headers of the received mails in order to find out its transferring mechanism, path, and related geological locations through ip addresses. It is also clear that the advertisement sending software is able to spoof its ip address and therefore makes its tracking more difficult.
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