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STD 10

RFC 821

"Simple Mail Transfer Protocol", August 1982

Canonical URL:
http://www.rfc-editor.org/rfc/rfc821.txt
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Status:
INTERNET STANDARD
Obsoletes:
RFC 788
Obsoleted by:
RFC 2821
Author:
J. Postel
Stream:
[Legacy]

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Abstract

The objective of Simple Mail Transfer Protocol (SMTP) is to transfer mail reliably and efficiently. SMTP is independent of the particular transmission subsystem and requires only a reliable ordered data stream channel. Obsoletes RFC 788, 780, and 772.


For the definition of Status, see RFC 2026.

For the definition of Stream, see RFC 4844.


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