CDA 4527: Computer Communication Networks

Fall 2005

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Lab assignment 2: Sending Email through Telnet and SMTP protocol

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    The objective of this assignment is to let students get familiar with SMTP protocol and understand how to send email. In addition, let students understand why there are so many email viruses and email spams due to the security weakness of email protocol.

    In this lab assignment, each student needs to send an email to me (czou@cs.ucf.edu) by using:

        Telnet mail.cs.ucf.edu 25

    Email format requirements:

1. Students can use whatever sender's name and email sever name they want in the "From:". Note that cs email server will check whether the domain name you provided exists or not. So you have to use a domain name that exists.
2. The email must have a subject line as this:  "CDA4527: firstname lastname".

    Please be sure to put your firstname and last name in the subject. Otherwise I will not be able to know who has sent me this email! Please be sure to put "CDA4527" in the subject, otherwise I will just treat your email as an email spam!

  3. In the email content, please write what do your think of my teaching (clear? not clear? too fast? too slow? need interaction? how to improve spoken English?) What do you think I should teach more (such as, I like to know some knowledge on Internet gaming network issue)?

     You should write at least one complete sentence. I welcome any kinds of feedback, especially criticism. Any feedback will help me to improve my teaching, and also help you learn more.

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   Here is a detailed tutorial on how to send email through telnet:

    http://www.yuki-onna.co.uk/email/smtp.html

    Note: Don't try this "fake" email technique on others! It may cause serious trouble to you!