Email ppt

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this ppt describes how email works.and what is an email

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Email ppt

  1. 1. E-Mail
  2. 2. What any Special? Electronic mail, most commonly referred to as email or e-mail is a method of exchanging digital messages from an author to one or more recipients. Modern email operates across the Internet or other computer networks. Some early email systems required that the author and the recipient both be online at the same time, in common with instant messaging. Today's email systems are based on a store-and-forward model
  3. 3. eMail protocols SMTP ~ POP ~ IMAP
  4. 4. SMTP Simple Mail Transfer Protocol is an Internet standard for electronic mail (e-mail) transmission across Internet Protocol (IP) networks.
  5. 5. POP In computing, the Post Office Protocol (POP) is an application-layer Internet standard protocol used by local e-mail clients to retrieve e-mail from a remote server over a TCP/IP connection. Last version: POP3
  6. 6. IMAP The Internet Message Access Protocol (commonly known as IMAP) is an Application Layer Internet protocol that allows an e-mail client to access 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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