Email

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The presentation about email

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Email

  1. 1. eMail
  2. 2. What any Special?Electronic mail, most commonly referred to as email or e-mail is a method of exchanging digitalmessages from an author to one or more recipients. Modern email operates across the Internet orother computer networks. Some early email systems required that the author and the recipient bothbe online at the same time, in common with instant messaging. Todays email systems are based ona store-and-forward model
  3. 3. eMail protocolsSMTP ~ POP ~ IMAP
  4. 4. SMTPSimple Mail Transfer Protocol is an Internet standard for electronicmail (e-mail) transmission across Internet Protocol (IP) networks.
  5. 5. POPIn computing, the Post Office Protocol (POP) is an application-layerInternet standard protocol used by local e-mail clients to retrievee-mail from a remote server over a TCP/IP connection.Last version: POP3
  6. 6. IMAPThe Internet Message Access Protocol (commonly known as IMAP) is anApplication Layer Internet protocol that allows an e-mail client toaccess e-mail on a remote mail server.Last version: IMAP4
  7. 7. What about “@”mark?
  8. 8. The story of send
  9. 9. Google’s cloud servers
  10. 10. Google’s cloud servers

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