218Communications Server for z/OS V1R8 TCP/IP Implementation Volume 2: Standard Applications
7.1 Overview
As illustrated in Figure 7-1, SMTP and sendmail are standard applications provided with the
z/OS Communications Server.
Figure 7-1 z/OS mail services
This section provides an overview of the TCP/IP application protocols dealing with electronic
mail. Two mail functions are supported on z/OS:
Simple Mail Transport Protocol (SMTP) in the MVS environment
Sendmail as a z/OS UNIX component
The various standards that define the protocols for sending electronic mail are numerous.
The Request For Comment (RFC) numbers that represent these standards ...
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