POP3

🧑kind protocolusage messagingenc optionaltopology centralizedentity transport
started
1984
by
Joyce K. Reynolds, Marshall Rose
homepage
https://www.rfc-editor.org/rfc/rfc1939
wikipedia
https://en.wikipedia.org/wiki/Post_Office_Protocol

Download-and-delete mail retrieval protocol. Simpler than IMAP and well-suited to single-device, offline-first mail clients; still widely supported but largely replaced by IMAP and JMAP.

Used by