RFC 8461

SMTP MTA Strict Transport Security (MTA-STS), September 2018

Canonical URL:
https://www.rfc-editor.org/rfc/rfc8461.txt
File formats:
Plain TextPDF
Status:
PROPOSED STANDARD
Authors:
D. Margolis
M. Risher
B. Ramakrishnan
A. Brotman
J. Jones
Stream:
IETF
Source:
uta (art)

Cite this RFC: TXT  |  XML

DOI:  10.17487/RFC8461

Discuss this RFC: Send questions or comments to uta@ietf.org

Other actions: Submit Errata  |  Find IPR Disclosures from the IETF


Abstract

SMTP MTA Strict Transport Security (MTA-STS) is a mechanism enabling mail service providers (SPs) to declare their ability to receive Transport Layer Security (TLS) secure SMTP connections and to specify whether sending SMTP servers should refuse to deliver to MX hosts that do not offer TLS with a trusted server certificate.


For the definition of Status, see RFC 2026.

For the definition of Stream, see RFC 4844.


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