Courier MTA
E792076
Courier MTA is a modular, open-source mail transfer agent for Unix-like systems known for its integrated mail services and focus on reliability and scalability.
All labels observed (5)
| Label | Occurrences |
|---|---|
| Courier MTA canonical | 1 |
| Courier Mail Server | 1 |
| Courier authentication library | 1 |
| Courier mail filter | 1 |
| Courier webmail | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9312024 — 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: Courier MTA Context triple: [qmail, influenced, Courier MTA]
-
A.
Posta
Posta is a popular Turkish daily newspaper known for its mass-market appeal and wide circulation.
-
B.
Mailer
Mailer is a surname most notably associated with American novelist, journalist, and essayist Norman Mailer.
-
C.
Mailer
Mailer is Symfony’s email-sending component that provides a flexible, secure, and extensible way to create and deliver emails in PHP applications.
-
D.
Courier Corporation
Courier Corporation is an American publishing company best known for owning Dover Publications and specializing in reprints and specialty print products.
-
E.
RocketMail
RocketMail was one of the earliest free web-based email services, later acquired and integrated into Yahoo's email platform.
- 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: Courier MTA Target entity description: Courier MTA is a modular, open-source mail transfer agent for Unix-like systems known for its integrated mail services and focus on reliability and scalability.
-
A.
Posta
Posta is a popular Turkish daily newspaper known for its mass-market appeal and wide circulation.
-
B.
Mailer
Mailer is a surname most notably associated with American novelist, journalist, and essayist Norman Mailer.
-
C.
Mailer
Mailer is Symfony’s email-sending component that provides a flexible, secure, and extensible way to create and deliver emails in PHP applications.
-
D.
Courier Corporation
Courier Corporation is an American publishing company best known for owning Dover Publications and specializing in reprints and specialty print products.
-
E.
RocketMail
RocketMail was one of the earliest free web-based email services, later acquired and integrated into Yahoo's email platform.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
free and open-source software
ⓘ
mail transfer agent ⓘ modular mail server ⓘ |
| authentication |
PAM
ⓘ
system user accounts ⓘ virtual user databases ⓘ |
| category |
email server software
ⓘ
server software for Unix-like systems ⓘ |
| component |
Courier authentication library
ⓘ
linked to:
Courier MTA
Courier mail filter ⓘ
linked to:
Courier MTA
Courier webmail ⓘ
linked to:
Courier MTA
Courier-IMAP ⓘ Courier-POP3 ⓘ |
| configurationStyle | text configuration files ⓘ |
| designGoal |
modularity
ⓘ
reliability ⓘ scalability ⓘ |
| feature |
IMAP server
ⓘ
IPv6 support ⓘ POP3 server ⓘ SMTP AUTH support ⓘ SSL/TLS support ⓘ integrated mail services ⓘ mail filtering ⓘ mail transfer agent ⓘ maildir format support ⓘ mailing list manager ⓘ virtual domain support ⓘ virtual user support ⓘ webmail interface ⓘ |
| license | GNU General Public License ⓘ |
| operatingSystem |
BSD
ⓘ
Linux ⓘ Unix-like systems ⓘ |
| softwareModel | open source ⓘ |
| storageFormat | Maildir ⓘ |
| supportsProtocol |
ESMTP
ⓘ
HTTP (for webmail) ⓘ IMAP ⓘ POP3 ⓘ SMTP ⓘ |
| supportsStandard |
SASL authentication
ⓘ
STARTTLS ⓘ TLS ⓘ |
| targetUser | system administrators ⓘ |
| useCase |
ISP and hosting provider mail infrastructure
ⓘ
hosting email for multiple domains ⓘ |
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: Courier MTA Description of subject: Courier MTA is a modular, open-source mail transfer agent for Unix-like systems known for its integrated mail services and focus on reliability and scalability.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Courier MTA
linked to: Courier MTA
linked to: Courier MTA
linked to: Courier MTA