POP3
E5623
POP3 (Post Office Protocol version 3) is a standard email protocol used by clients to retrieve messages from a remote mail server over a TCP/IP network, typically downloading them for local storage.
Observed surface forms (4)
| Surface form | Occurrences |
|---|---|
| Post Office Protocol version 3 | 3 |
| POP3 RFC 1939 | 1 |
| POP3 over TLS | 1 |
| Post Office Protocol - Version 3 | 1 |
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
Internet standard
ⓘ
application layer protocol ⓘ email retrieval protocol ⓘ |
| abbreviationOf |
POP3
self-linksurface differs
ⓘ
surface form:
Post Office Protocol version 3
|
| alternativeTo |
IMAP
ⓘ
Webmail ⓘ |
| authenticationSupport | username and password ⓘ |
| canUse |
SSL
ⓘ
TLS ⓘ |
| category | email protocol ⓘ |
| commandSetType | text-based commands ⓘ |
| connectionModel | client-server ⓘ |
| dataFlowDirection | server-to-client message retrieval ⓘ |
| defaultPort | 110 ⓘ |
| defaultPortSecure | 995 ⓘ |
| definedIn | RFC 1939 ⓘ |
| designGoal | simple email retrieval ⓘ |
| doesNotSupport |
advanced server-side search
ⓘ
server-side folders ⓘ |
| fullName |
POP3
self-linksurface differs
ⓘ
surface form:
Post Office Protocol version 3
|
| layer | application layer ⓘ |
| mailboxModel | single mailbox per account ⓘ |
| messageHandling | download-and-delete model ⓘ |
| networkType | packet-switched ⓘ |
| operatesOver | TCP connection ⓘ |
| organization |
Internet Engineering Task Force
ⓘ
surface form:
IETF
|
| predecessor | POP2 ⓘ |
| primaryRole | mailbox access protocol ⓘ |
| purpose | retrieving email from a remote mail server ⓘ |
| responseFormat | line-oriented text ⓘ |
| runsOn | TCP/IP ⓘ |
| securityExtension | POP3S ⓘ |
| sessionType | stateful during connection ⓘ |
| standardizedBy |
Internet Engineering Task Force
ⓘ
surface form:
IETF
|
| status | standard ⓘ |
| supports |
mailbox locking
ⓘ
message deletion ⓘ message listing ⓘ message retrieval by number ⓘ offline email access ⓘ |
| transportReliability | reliable ⓘ |
| typicalUsage | download email for local storage ⓘ |
| usedBy |
email clients
ⓘ
mail user agents ⓘ |
| usesPort |
110
ⓘ
995 ⓘ |
| usesTransportProtocol |
Transmission Control Protocol
ⓘ
surface form:
TCP
|
Referenced by (15)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Post Office Protocol version 3
this entity surface form:
POP3 over TLS
this entity surface form:
Post Office Protocol version 3
this entity surface form:
Post Office Protocol version 3
this entity surface form:
POP3 RFC 1939