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pop3
communicates-via
- Mail User Agent (MUA), E-mail Client [ communicator ]
- POP3 Server [ communicator ]
components:
- POP3 Protocol Command [ part ]
- pop3-protocol-reply [ part ]
has-shortcomings
- POP3 Shortcomings [ shortcomings ]
application-protocol
- Internet Message Access Protocol (Version 4), IMAP4
- Post Office Protocol - Version 3 (POP3)
- SMTP, Simple Mail Transfer Protocol
Types:
procedure
user must identify himself (username/password)
Comment:
can only list/retrieve/delete messages
procedure
e-mail client establishes a connection to a POP3 server
Comment:
used to retrieve mails from a remote storage server
Comment:
uses TCP, default port 110
procedure
client can list, download, delete mails
Comment:
very simple, effective protocol, not intended to provide any manipulation operations on server