Post Office Protocol 3 (POP3)
POP3 (Post Office Protocol 3) is a simple, client‑initiated protocol for retrieving email from a remote mail server. It provides basic download-and-remove semantics, is resource-efficient but functionally limited, and requires additional configuration for secure authentication and transport encryption in modern deployments.
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Why is this building block relevant?
- POP3 is a simple, client‑initiated protocol for retrieving email from a mail server, focused on downloading and removing messages.
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