pop3d: pop3d (POP3 server) pop3d: pop3d: This POP3 server was written at the University of California at Davis. pop3d: The server implements the minimal POP3 command list, plus some pop3d: optional commands. pop3d: pop3d: POP3, the Post Office Protocol (version 3), is described in RFC1939. pop3d: A copy of RFC1939 is included with this distribution. pop3d: pop3d: pop3d: