RFC 3207

E52728

RFC 3207 is the Internet standard that specifies the STARTTLS extension for upgrading plain text email connections to use TLS encryption in SMTP.

AI illustration

How this image was made

AI-generated illustration of RFC 3207

This AI-generated illustration was produced by black-forest-labs/FLUX.2-dev (1024x1024) from a prompt written by openai/gpt-oss-120b from the entity's label + description.

Prompt

Generate an image of RFC 3207 (RFC 3207 is the Internet standard that specifies the STARTTLS extension for upgrading plain text email connections to use TLS encryption in SMTP.)

All labels observed (1)

Label Occurrences
RFC 3207 canonical 6

How this entity was disambiguated

Statements (28)

Predicate Object
instanceOf Internet standard ⓘ
Request for Comments ⓘ
appliesTo SMTP clients ⓘ
SMTP servers ⓘ
email transport security ⓘ
category Standards Track ⓘ
defines SMTP EHLO extension for TLS negotiation ⓘ
SMTP service extension keyword STARTTLS ⓘ
linked to: STARTTLS

mechanism to upgrade a plain text SMTP connection to TLS ⓘ
obsoletes RFC 2487 ⓘ
protocol Simple Mail Transfer Protocol ⓘ
linked to: SMTP
publishedBy IETF ⓘ
Internet Engineering Task Force ⓘ
relatedTo SMTP security extensions ⓘ
TLS in application protocols ⓘ
email encryption ⓘ
securityProperty confidentiality of SMTP sessions ⓘ
integrity of SMTP sessions ⓘ
optional client authentication in SMTP ⓘ
server authentication in SMTP ⓘ
specifies STARTTLS extension for SMTP ⓘ
linked to: STARTTLS

behavior after successful TLS negotiation in SMTP ⓘ
error handling for failed TLS negotiation in SMTP ⓘ
requirements for advertising STARTTLS in SMTP ⓘ
standardizes use of TLS in SMTP via STARTTLS ⓘ
title SMTP Service Extension for Secure SMTP over Transport Layer Security ⓘ
updates SMTP protocol ⓘ
uses Transport Layer Security ⓘ
linked to: TLS

How these facts were elicited

Referenced by (6)

Full triples — surface form annotated when it differs from this entity's canonical label.