What is POP3?
Q: What is POP3?
A: POP3 is an application-layer Internet standard protocol used by local e-mail clients to get e-mail from a remote mail server over a TCP/IP connection.
Q: What are the two most widely accepted Internet standard protocols for email retrieval?
A: The two most widely accepted Internet standard protocols for email retrieval are POP3 and IMAP4 (Internet Message Access Protocol).
Q: Does almost all modern email clients and servers support both POP3 and IMAP4?
A: Yes, almost all modern email clients and servers support both POP3 and IMAP4.
Q: What was proposed in the POP4 extension?
A: The POP4 extension proposed adding basic folder management, multipart message support, as well as message flag management, allowing for a light protocol which supports some popular IMAP features which POP3 lacks.
Q: When was the POP4 specification outlined?
A: The POP4 specification was outlined many years ago.
Q: Was a working server implementation included in the proposed POP4 specification?
A: Yes, a working server implementation was included in the proposed POP4 specification.
Q: Has there been any progress in the POP4 specification since 2003?
A: No, no progress has been found in the POP4 specification since 2003.
