RFC 4405 has been reclassified as Historic.
RFC 4405
Title: SMTP Service Extension for Indicating
the Responsible Submitter of an E-Mail
Message
Author: E. Allman,
H. Katz
Status: Historic
Stream: IETF
Date: April 2006
Updates/Obsoletes/SeeAlso: None
I-D Tag: draft-katz-submitter-01.txt
URL: https://www.rfc-editor.org/info/rfc4405
DOI: 10.17487/RFC4405
This memo defines an extension to the Simple Mail Transfer Protocol
(SMTP) service that allows an SMTP client to specify the
responsible submitter of an e-mail message. The responsible
submitter is the e-mail address of the entity most recently
responsible for introducing a message into the transport stream.
This extension helps receiving e-mail servers efficiently determine
whether the SMTP client is authorized to transmit mail on behalf of
the responsible submitter's domain. This memo defines an Experimental Protocol
for the Internet community.
HISTORIC: This memo defines a Historic Document for the Internet
community. It does not specify an Internet standard of any kind.
Distribution of this memo is unlimited.
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