You are a messaging professional. Your company deploys a Microsoft

Exchange Server 2007 messaging system.

The company has seven sites that have six Exchange Server 2007 computers in each site. The Exchange

Server 2007 Edge Transport server has the following configuration:

Content Filtering: Enabled

IP Allow List: Enabled

IP Block List: Disabled

Recipient Filtering: Disabled

Sender Filtering: Enabled

Sender ID: Disabled

The company has begun to work with a new customer. Users in the company are not receiving e-mail

messages from the customer. The users have locally configured the customer as a safe sender.

You need to configure the Exchange Server 2007 messaging system to enable all users to receive e-mail

messages from the customer.

What should you do to configure the Exchange Server 2007 messaging system to enable all users to receive e-mail

messages from the customer?

A.
Configure safelist aggregation for each users mailbox.

B.
Enable the Sender ID feature.

C.
Enable the IP Block List feature.

D.
Decrease the spam confidence level threshold.

E.
Enable the Recipient Filtering feature.