Internet Protocols Module User’s Guide : PART II Packages of the Internet Protocols Module : Chapter 7 The SMTP Package : About Protocol Replies
About Protocol Replies
This section describes protocol replies that are specific to SMTP. For information about architecture that is common to all protocol replies, see “Architecture.”
RWSmtpReply and its derived class RWSmtpDataReply contain an encapsulation of the standard SMTP protocol reply messages.
• RWSmtpReply contains general SMTP replies.
• RWSmtpDataReply includes an RWSocketPortal for the data transfer operation that is typical of the RWSmtpClient::dataOpen() method.