Changes

Postfix should be installed by default. If it isn't - go ahead and install it. Install also Perform the netstat application (use yum search to find the package name) and the telnet command.following steps:

#The '''postfix''' application should be installed by default. If it isn't, install it.#Install also the '''netstat''' application (tip: use yum search to find the package name) and also install the '''telnet''' command.#Postfix will work with the default configuration, so start and enable it, start itthis service, and check verify that it's the postfix service is running. Also look #Look for it the running postfix service in the list of listening portsby issuing the following command: <br><source lang="bash">netstat -atnp</source> #Which one service is itpostfix running? Find Locate the port used by SMTP, and look for connctions with the state LISTEN (i.e. currently listening).#Write your observations in your lab logbook.