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RFC 8460: SMTP TLS Reporting

In plain English — editorial summary, not part of the RFC

A number of protocols exist for establishing encrypted channels between SMTP Mail Transfer Agents (MTAs), including STARTTLS, DNS- Based Authentication of Named Entities (DANE) TLSA, and MTA Strict Transport Security (MTA-STS). These protocols can fail due to misconfiguration or active attack, leading to undelivered messages or delivery over unencrypted or unauthenticated channels. This document describes a reporting mechanism and format by which sending systems can share statistics and specific information about potential failures with recipient domains. Recipient domains can then use this information to both detect potential attacks and diagnose unintentional misconfigurations.

Document record

Document ID
RFC8460
Published
September 2018
Authors
D. Margolis; A. Brotman; B. Ramakrishnan; J. Jones; M. Risher
Status
PROPOSED STANDARD
Stream
IETF
Area
sec
Pages
34
Also known as
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The document record above — title, authors, date, status, stream, area, relationships, DOI and errata — is imported verbatim from the public RFC Editor index. The “in plain English” section is editorial: written by The metasystema editorial team, not part of the RFC. Where the two differ, the RFC text governs.

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canonical URL: /rfc/8460-smtp-tls-reporting