2.3 Electronic Mail in the Internet

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Created by
Paris Davis

Cards (9)

  • A user agent allows a user to read, reply to, forward, save and, compose messages.
  • A mail server is a server that receives and processes emails and forwards them to the correct recipient.
  • Simple Mail Transfer Protocol (SMTP) is used to send emails from one server to another.
  • Mail servers form the core of the email infrastructure.
  • SMTP is the principal application-layer protocol for Internet electronic mail.
  • HTTP is mainly a pull protocol, meaning that the client requests the server to send data to them.
  • SMTP is mainly a push protocol, meaning that the sending mail server pushes the file to the recipient's mail server.
  • The TCP connection is initiated by the machine that wants to send the file.
  • SMTP requires each message to be in 7-bit ASCII format.