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Post Office Protocol (POP)

Definition(s):

  A mailbox access protocol defined by IETF RFC 1939. POP is one of the most commonly used mailbox access protocols.
Source(s):
NIST SP 1800-16B from NIST SP 800-45 Version 2
NIST SP 1800-16C from NIST SP 800-45 Version 2
NIST SP 1800-16D under Post Office Protocol from NIST SP 800-45 Version 2
NIST SP 800-45 Version 2

  A standard protocol used to receive electronic mail from a server.
Source(s):
NIST SP 800-101 Rev. 1
NISTIR 7250 under Post Office Protocol
NISTIR 7387 under Post Office Protocol