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Status:

PROPOSED STANDARD

Authors:

V. Dukhovni
W. Hardaker

Stream:

IETF

Source:

dane (sec)

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DOI:  https://doi.org/10.17487/RFC7672

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Abstract

This memo describes a downgrade-resistant protocol for SMTP transportsecurity between Message Transfer Agents (MTAs), based on theDNS-Based Authentication of Named Entities (DANE) TLSA DNS record.Adoption of this protocol enables an incremental transition of theInternet email backbone to one using encrypted and authenticatedTransport Layer Security (TLS).

For the definition ofStatus,seeRFC 2026.

For the definition ofStream, seeRFC 8729.