Consider the following information: - You are outsourcing your e-mail server. - A spam filter has been implemented. - You are running an internal DNS server. - A Session Border Controller (SBC) is…

Consider the following information:

• You are outsourcing your e-mail server.
• A spam filter has been implemented.
• You are running an internal DNS server.
• A Session Border Controller (SBC) is installed in the Demilitarized

Zone (DMZ).

• You want all SIP phones in your domain to access a particular SIP

server whenever they look up the following address:

[email protected]. Which of the following steps should you take?