RFC8461 — SMTP MTA Strict Transport Security (MTA-STS)
RFC8461: SMTP MTA Strict Transport Security (MTA-STS)
IETF Request for Comments
| Status | PROPOSED STANDARD |
| Publication status | PROPOSED STANDARD |
| Published | September 2018 |
| Stream | IETF |
| Obsoletes | — |
| Obsoleted by | — |
| Updated by | — |
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.
Official sources
- Info page: https://www.rfc-editor.org/info/rfc8461
- Full text: https://www.rfc-editor.org/rfc/rfc8461.txt
- HTML: https://www.rfc-editor.org/rfc/rfc8461.html
Abstract and metadata are reproduced from the public RFC index; the full text is linked, not copied.
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