Posted by ErmanArslansOracleBlog on Jun 21, 2018; 12:49pm URL: http://erman-arslan-s-oracle-forum.124.s1.nabble.com/configure-email-on-solaris-5-1-tp6212p6226.html
You are trying to install and configure sendmail "Server" into a Solaris 5.1 env, right?
Your Os is Solaris 5.1, but you are following a Solaris 11 document?
Is it 5.1 or 5.10?
Your configuration is not okay and there is no mail server listening for SMTP on your machine.