Changes

==Part 1: Documentation (7 points)Script==

Your documentation should have enough detail to guide a CNS graduate to replicate your Internet Email system (e.g. to perform a disaster recovery) on a Centos 7.x system. Please use your actual IP addresses and FQDN names in your documentation. The documentation should include at least, but not limited to, the followings:# All On the steps required to setup up your Internet email system. (Keep notes when due date you setting up your web site)# A list of all the rpm packages required.# A list of all configuration files involved (especially for the DNS server and Postfix server).# A list of services needed to support the operation.# Step by step procedure on how to add a new email user to your domain.# Step by step procedure on how to send an email to someone with an email address outside of your domain.# Sample email log entries to show that your mail server has successfully delivered an outgoing email, accepting and rejecting an incoming email with SPF checks.# Sample email log entries will be tasked to show that your mail server has successfully received an incoming email. ==Part 2: Demonstration (3 points)==

# receive the reply email from the designated user of the other domain. # Mail server log entries:## capture log entries to prove that your mail server has received reply email query a record from the designated user of the other domain.## capture log entries to prove that your mail server has sent email to the designated user of other another domain## capture log entries to prove that your mail server has received query a new email record from the designated user of the other another domainwith dnssec information included.## capture log entries I will post a script to prove blackboard that will capture your mail server has sent an reply email to the designated user of the other domain.# Put the following information to a text file:## the email between the two new email users,## the email to the designated user of the other domain, ## the reply email from the designated user of the other domain, ## the new email from the designated user of the other domain, ## the reply email to the designated user of the other domain, configuration and ## all mail log entries mentionedlogs.Name the text file as "ops535-a2-demo-report-[Seneca-Id].txt" You will run this script on your machines and upload it the output to blackboard on the evaluation date.