File formats:

Status:

INTERNET STANDARD

Obsoletes:

RFC 1653

Authors:

J. Klensin
N. Freed
K. Moore

Stream:

IETF

Source:

smtpext (app)

Cite this RFC: TXT  |  XML  |   BibTeX

DOI:  https://doi.org/10.17487/RFC1870

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Abstract

This memo defines an extension to the SMTP service whereby an SMTP client and server may interact to give the server an opportunity to decline to accept a message (perhaps temporarily) based on the client's estimate of the message size. [STANDARDS-TRACK]

For the definition of Status, see RFC 2026.

For the definition of Stream, see RFC 8729.