200 CS for z/OS V1R9 TCP/IP Implementation Volume 2: Standard Applications
It can be set up to distribute mail on an IP network.
It can also perform the role of a gateway server transferring mail between the IP network
and a local NJE network.
In addition to the IP network and an NJE gateway server, it can also be configured to send
unresolved non-local mail or all non-local mail to a Mail Transfer Agent (MTA), sometimes
called a relay server.
7.2 z/OS SMTP as a mail server
The z/OS SMTP mail server topics in this section are:
Description of z/OS SMTP server
Configuration tasks for the z/OS SMTP server
Verification of the z/OS SMTP server
7.2.1 Description of z/OS SMTP server
z/OS SMTP provides a method of originating and receiving electronic ...