You work as a network administrator at International Retailers, Ltd. You have received instruction to start designing a strategy for e-mail. Your design will be required to meet all the International Retailers, Ltd. requirements for e-mail.
What should you do?
A.
Group Policy objects (GPOs) and IPSec policies that require all client computers to use Kerberos authentication to connect to mail servers should be specified.
B.
IPSec encryption should be required on all TCP connections that are used to send or receive email messages.
C.
An SSL server certificate should be acquired for each mail server from a commercial CA whose root certificate is already trusted.
D.
A certificate template that is suitable for S/MIME should be configured and published. A Group Policy object (GPO) should be deployed so that a certificate that is based on this template is automatically issued to all domain users.