Why would you consider sending an email to an address that you know does not exist within the company you are performing a Penetration Test for?
A.
To determine who is the holder of the root account
B.
To perform a DoS
C.
To create needless SPAM
D.
To illicit a response back that will reveal information about email servers and how they treat undeliverable mail
E.
To test for virus protection
Explanation:
Sending a bogus email is one way to find out more about internal servers. Also, to gather additional IP addresses and learn how they treat mail.