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#In order to update the MTA's database for the newly-create alias, issue the following command:<br>'''postalias hash:/etc/aliases'''<br><br>
#Finally, to start and enable your MTA, issue the following commands:<br><br>'''systemctl start postfix.service'''<br>'''systemctl enable postfix.service'''<br><br>
#Check the '''/var/log/messages''' file to see that your MTA server started without error If there are any errors, correct them before continuing.
==INVESTIGATION 2: INSTALL & SETUP THE MAIL USER AGENT (MUA)==
=== Reviewing the mail command ===
*Use the mailq command on both machines (you will need to be root) to view the mail queue.
Use the mail command to check if you have mail.
==Completing the Lab==