Mail Transfer Protocol

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The Mail Transfer Protocol (MTP) is an obsolete network protocol used to reliably transfer mail. Request for Comments (RFC) 780[1], which defined this protocol, allocated Transmission Control Protocol (TCP) and User Datagram Protocol (UDP) port 57 for MTP. This port is no longer officially allocated for this service by IANA.

[edit] Replacement

The Simple Mail Transfer Protocol (SMTP), defined in RFC 788[2] has replaced the Mail Transfer Protocol.

[edit] See also

[edit] References

  1. ^ RFC 780 Mail Transfer Protocol
  2. ^ RFC 788 Simple Mail Transfer Protocol


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