You have installed the Web Server (IIS) role on a server with Windows Server 2008. Company uses
SMTP for email. You need prevent unauthorized transmissions without disrupting valid email traffic.

A.
Creata firewall role to block all outbound SMTP traffic.

B.
Configure High alert items to be removed in Windows Defender.

C.
Enable the TLS encryption option in the outbound security settings.

D.
Add an SMTP relay restriction that limits access to authorized server on the network.