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.
This block bundles baseline information, context, and relations as a neutral reference in the model.
Reference building block
This building block serves as a structured reference in the knowledge model, with core data, context, and direct relationships.
What is this view?
This page provides a neutral starting point with core facts, structure context, and immediate relations—independent of learning or decision paths.
Baseline data
Context in the model
Structural placement
Where this block lives in the structure.
No structure path available.
Relations
Connected blocks
Directly linked content elements.