POP3 (Post Office Protocol version 3)

A mail protocol that allows clients running it to retrieve mail from a host mail server also running the protocol. You can enable POP3 on a Domino server.

A standards-based protocol for simple access to Inbox data. All versions of Exchange server except version 4.0 support POP3. POP3 uses TCP/IP port 110 for client to server access. [Exchange 2000]

Enables users with POP3 clients to retrieve mail from their Exchange Inbox. [Exchange 5.5]