Simple Mail Transfer Protocol

Simple Mail Transfer Protocol (SMTP) is a communication protocol for sending and forwarding emails.

Contents

  1. Simple Mail Transfer Protocol
    1. History

History

Mainframes and multi-user computers had utilites for inter-user communication (such as wall(1)).

ARPANET enabled the exchange of messages between hosts, especially as through FTP.

The BSD project developed sendmail(1), the first MTA implementing an SMTP standard.

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