Quickstart Guide - Red Hat 9 POP3 Server

Quickstart Guide - Red Hat 9 POP3 Server: "Step 2: TLS Keys and Certificates

Since we are setting up a TLS-enabled POP3 server, we need to make crypto keys and certificates. Without them, TLS/SSL will not work."

do not need to do this, just " make ipop3d.pem" is ok;

and the log, /var/log/maillog can help a lot.