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#If you did not receive the mail, check the mail logs on your vm2 machine to determine any errors messages that would indicate a mail server setup problem.
#Test email from your '''Host Machine''' by sending an email to your Seneca account using the following command:<br>'''mail -r "hacker.com (Canadian Revenue Agency)" -s "Lab4a - test2" <Your Seneca email address>
#Check your Seneca email to see if you got the email. If you did make a note of the return address.
Why would you think including the '''-r''' option could be used by penetration hackers to gain access to a computer system?
===Testing email on Local VM Machine (vm2)===