Mark works as a Network Administrator fot Blue WellInc. The company has a Windows-based network.
Mark is facing a series of problems with email spamand identifying theft via phishing scams. He wants to implement the various security measures and to provide some education because it is related to the best practices while using email.
Which of the following can Mark use to minimize thespam amount that is hitting the Microsoft Exchange server of the company?
A.
Enable reverse DNS lookup
B.
Use Read-only Domain Controller
C.
Add Sender Policy Framework
D.
Permit User Account Control