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Electronic mail

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a brief presentation about the email

a brief presentation about the email

Published in: Technology

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  • 1. Electronic Mail (Email)
  • 2. Evolution of Mailing Electronic mail (Email) Telegraph Snail mail • By horse or by foot • Postal • Morse Code • Facsimile (Fax) Reference: Overnight Prints (2013)
  • 3. Invention Inventor: Ray Tomlinson in late 1971 First message sent: “QWERTYUIOP” Designation: @ symbol to separate the user’s login name and the host computer Reference: Duffy (2003) ; Brain & Crosby (2013); Bellis (2013)
  • 4. How Email Works?
  • 5. Mail User Agent Mail Delivery Agent Mail Transport Agent Reference: Kavi Help Center
  • 6. Mail Servers Simple Mail Transfer Protocol (SMTP)  handle the sending  TCP Port 25 Post Office Protocol (POP3)  Retrieving emails & leaving a copy on the server (in some cases)  TCP Port 110 Internet Mail Access Protocol (IMAP)  Coordinating the status of emails (read, deleted, moved)  TCP Port 143
  • 7. References Bellis, M. (2013). HIstory of Email & Ray Tomlinson. About.com Inventors. Retrieved from http://inventors.about.com/od/estartinventions/a/email.htm. Brain, M. & Crosby, T. (2013). How E-mail Works. howstuffworks.com. Retrieved from http://computer.howstuffworks.com/e-mail-messaging/email.htm. Duffy, D. (2003, September 8). Ray Tomlinson: Inventor of e-mail. Darwin Magazine. Retrieved from http://hr-system.com/email,%20how%20Ray%20Tomlinson%20invented@.pdf. Kavi Help Center. (2013). How Email Really Works. In Kavi Help Center, Kavi Mailing List Manager Help. Retrieved from https://www.oasisopen.org/khelp/kmlm/user_help/html/how_email_works.html. Overnight Prints. (2013). The History of Mail: From Traditional to Electronic. Retrieved from http://www.overnightprints.com/history-of-mail.