
Chapter 7. z/OS mail servers 213
7.3 Sendmail and popper as mail servers
In this section we establish sendmail and popper as mail servers. The following topics are
discussed:
Description of sendmail and popper
Configuration tasks for sendmail and popper
Verification of sendmail and popper setup
7.3.1 Description of sendmail and popper
Sendmail is an industry standard mail application that is widely used on the Internet. The
sendmail application included with the z/OS Communications Server is based on sendmail
Version 8.12.1. Popper is a Post Office Protocol 3 (POP3) mail delivery agent. It allows a
remote user to use a remote mail user agent ...