The software described in this documentation is either in Extended Support or Sustaining Support. See https://www.oracle.com/us/support/library/enterprise-linux-support-policies-069172.pdf for more information.
Oracle recommends that you upgrade the software described by this documentation as soon as possible.

Chapter 16 Email Service Configuration

This chapter describes email programs and protocols that are available with Oracle Linux, and how to set up a basic Sendmail client.