[[Category:OPS535]][[Category:rchan]]
'''Draft - This lab is still under construction.'''
=Overview=
Postfix is a complete MTA (Mail Transport Agent) package which replaced Sendmail. Postfix uses several different programs to implement the MTA functionality. Postfix is considered to be more secure than Sendmail as it requires a separate user ID for running each module. Postfix uses plain text parameters and value names in its configuration files. The Postfix program plays a variety of roles:
= Completing the Lab =
Submit Please download the following files (with the exact file name) to Blackboard by the due data[https:* /etc/aliases -> lab5_aliasesraw.githubusercontent.txt* com/rayfreeping/ops535/master/labs/labcheck5.mail -> ops535bash check lab script named labcheck5.mailbash] to your VM2, run the script under the 'student' user with sudo privilege and capture the output to a file and named it as lab5_vm3.txt:* <pre> [userstudent@pri-dns labs]$ sudo bash labcheck5.mail -bash > real_userlab5_vm2.mailtxt</pre> Upload the file "lab5_vm2.txt" to Blackboard by the posted lab5 due date.
= Review Questions =