Correct option is B
POP (Post Office Protocol) is a protocol used by email clients to retrieve emails from a mail server.
POP3 is the most recent version, and it allows users to download their emails from the server to their local computer or device.
Information Booster:
1.
POP3 allows for offline access to emails once they are downloaded.
2. An alternative to POP is
IMAP (Internet Message Access Protocol), which keeps emails on the server and allows for synchronization across multiple devices.
Additional Knowledge:
POP is widely supported by most email providers and applications, and it has been around for many years as a standard email retrieval protocol.