RFC 2554
E207724
RFC 2554 is an Internet standard that specifies the SMTP Service Extension for Authentication, enabling client authentication in email submission and relay.
All labels observed (1)
| Label | Occurrences |
|---|---|
| RFC 2554 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1866891 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: RFC 2554 Context triple: [SMTP AUTH, previouslyDefinedIn, RFC 2554]
-
A.
RFC 3415
RFC 3415 is an Internet standard that specifies the View-based Access Control Model (VACM) for the Simple Network Management Protocol (SNMP), defining how access to management information is controlled.
-
B.
RFC 3410
RFC 3410 is an informational RFC that provides an overview, framework, and goals for the Simple Network Management Protocol version 3 (SNMPv3) and its related specifications.
-
C.
RFC 2572
RFC 2572 is an earlier IETF specification that defined the Message Processing and Dispatching for the Simple Network Management Protocol (SNMP) before being superseded by RFC 3412.
-
D.
RFC 2571
RFC 2571 was an earlier specification in the Simple Network Management Protocol (SNMP) framework that was later superseded and updated by RFC 3411.
-
E.
RFC 3413
RFC 3413 is an Internet standard that specifies the Simple Network Management Protocol (SNMPv3) applications, including notification, proxy, and command generator/receiver functions used for network management.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: RFC 2554 Target entity description: RFC 2554 is an Internet standard that specifies the SMTP Service Extension for Authentication, enabling client authentication in email submission and relay.
-
A.
RFC 3415
RFC 3415 is an Internet standard that specifies the View-based Access Control Model (VACM) for the Simple Network Management Protocol (SNMP), defining how access to management information is controlled.
-
B.
RFC 3410
RFC 3410 is an informational RFC that provides an overview, framework, and goals for the Simple Network Management Protocol version 3 (SNMPv3) and its related specifications.
-
C.
RFC 2572
RFC 2572 is an earlier IETF specification that defined the Message Processing and Dispatching for the Simple Network Management Protocol (SNMP) before being superseded by RFC 3412.
-
D.
RFC 2571
RFC 2571 was an earlier specification in the Simple Network Management Protocol (SNMP) framework that was later superseded and updated by RFC 3411.
-
E.
RFC 3413
RFC 3413 is an Internet standard that specifies the Simple Network Management Protocol (SNMPv3) applications, including notification, proxy, and command generator/receiver functions used for network management.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
Internet standard
ⓘ
Request for Comments ⓘ |
| aimsTo |
improve email security
ⓘ
reduce unauthorized mail relay ⓘ |
| appliesTo |
SMTP clients
ⓘ
SMTP servers ⓘ mail transfer agents ⓘ mail user agents ⓘ |
| area | Applications ⓘ |
| category | Standards Track ⓘ |
| defines |
SMTP AUTH command
ⓘ
SMTP Service Extension for Authentication ⓘ
linked to:
SMTP AUTH
|
| definesKeyword | AUTH ⓘ |
| definesResponseCode |
534
ⓘ
538 ⓘ |
| enables |
access control for mail relay
ⓘ
authenticated SMTP sessions ⓘ |
| focusesOn |
authentication
ⓘ
email security ⓘ |
| format | text ⓘ |
| language | English ⓘ |
| networkProtocolFamily | TCP/IP ⓘ |
| obsoletedBy |
RFC 4954
ⓘ
SMTP Service Extension for Authentication (RFC 4954) ⓘ
linked to:
SMTP AUTH
|
| partOf | SMTP extensions ⓘ |
| protocol | SMTP ⓘ |
| publishedBy | Internet Engineering Task Force ⓘ |
| relatedTo |
RFC 1869
ⓘ
RFC 2222 ⓘ RFC 4954 ⓘ RFC 821 ⓘ SASL ⓘ |
| RFCNumber | 2554 ⓘ |
| standardizes |
authentication for email relay
ⓘ
authentication for email submission ⓘ client authentication in SMTP ⓘ |
| status | Obsoleted ⓘ |
| stream |
IETF
ⓘ
linked to:
Internet Engineering Task Force
|
| title |
SMTP Service Extension for Authentication
ⓘ
linked to:
SMTP AUTH
|
| topic |
Internet protocols
ⓘ
authentication mechanisms ⓘ email ⓘ |
| updatesProtocol |
Simple Mail Transfer Protocol
ⓘ
linked to:
SMTP
|
| updatesSpecification |
RFC 1869
ⓘ
RFC 821 ⓘ |
| usesMechanismsFrom |
SASL
ⓘ
Simple Authentication and Security Layer ⓘ
linked to:
SASL
|
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: RFC 2554 Description of subject: RFC 2554 is an Internet standard that specifies the SMTP Service Extension for Authentication, enabling client authentication in email submission and relay.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.