SMTP Service Extension for Indicating the Responsible Submitter of an E-Mail Message

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Publisher: IETF
Doc Type: Specification
Pages: 14
Abstract: 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.
Publication Date: 2006-04-01
Status Note: Historic
DOI: 10.17487/RFC4405
Link: https://doi.org/10.17487/RFC4405
Author(s): Eric P. Allman
Harry Katz
Keyword(s): Spam, Spoofing, Phishing

Latest version of IETF RFC 4405

Document Versions — IETF RFC 4405

▶ IETF RFC 4405 (2006-04-01)

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Normative Reference(s)

IETF RFC 2119 [Active*]
IETF RFC 2554 [Superseded*]
IETF RFC 2821 [Superseded*]
IETF RFC 2822 [Superseded*]
IETF RFC 3461 [Active*]
IETF RFC 4234 [Superseded*]
IETF RFC 4406 [Active*]
IETF RFC 4407 [Active*]
IETF RFC 4409 [Superseded*]

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IETF RFC 4405, SMTP Service Extension for Indicating the Responsible Submitter of an E-Mail Message. Available at https://doi.org/10.17487/RFC4405

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IETF RFC 4405, SMTP Service Extension for Indicating the Responsible Submitter of an E-Mail Message. Available at https://doi.org/10.17487/RFC4405

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IETF RFC 4405, SMTP Service Extension for Indicating the Responsible Submitter of an E-Mail Message. Available at https://doi.org/10.17487/RFC4405

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<span class="citation"><cite>IETF RFC 4405</cite>, SMTP Service Extension for Indicating the Responsible Submitter of an E-Mail Message. Available at <a href="https://doi.org/10.17487/RFC4405" target="_blank" rel="noopener">https://doi.org/10.17487/RFC4405</a></span>

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IETF RFC 4405, SMTP Service Extension for Indicating the Responsible Submitter of an E-Mail Message
doi: 10.17487/RFC4405
url: https://doi.org/10.17487/RFC4405

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<li>
<cite id="bib-rfc4405">IETF RFC 4405</cite>, SMTP Service Extension for Indicating the Responsible Submitter of an E-Mail Message
<span class="doi">10.17487/RFC4405</span>
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Referenced By

IETF RFC 4406 [Active*]
IETF RFC 5039 [Active*]
IETF RFC 6686 [Active*]