SourcePro
:
Internet Protocols Module User’s Guide
:
PART II Packages of the Internet Protocols Module
: The SMTP Package
The SMTP Package
Introduction
SMTP Class Hierarchy
About Protocol Replies
Closing the Mail Transfer Session
Mail Sender: Using the SMTP Agent
Introduction
The Simple Mail Transfer Protocol (SMTP) is an Internet protocol for mail transfer. Detailed information is in RFC 0821, on the IETF website at
http://tools.ietf.org/html/rfc821
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