About Protocol Replies
This section describes protocol replies that are specific to POP3. For information about architecture that is common to all protocol replies, see Architecture.
RWPop3Reply and its derived classes, RWPop3ConnReply, RWPop3StatReply, and RWPop3DataReply, contain an encapsulation of the standard POP3 protocol reply messages.
*RWPop3Reply holds general POP3 replies.
*RWPop3ConnReply can hold timestamp information passed by server implementation upon connection to a POP3 server.
*RWPop3StatReply holds additional information about the number of messages and their total size in octets as returned by a STAT request.
*RWPop3DataReply includes an RWSocketPortal for data transfer operations for the LIST, RETR, TOP, and UIDL requests.