Overview of “Classic” Internet Mail

• RFC 822 – Standard for the Format of ARPA Internet Text Messages

  • applies only to the format andsome semantics of the content

• RFC 821 – Simple Mail Transfer Protocol (SMTP)

  • client-server over reliable transport

• content is the object to be delivered to the recipient

• envelope is the informationneeded to transmit/deliver

SMTP “DATA” Command

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