You are a messaging professional. Your company plans to deploy a Microsoft Exchange Server 2007 messaging system.

The company has three offices. The messaging servers and infrastructure servers are installed in all the three offices. Each office has its own Internet connection. The offices are also connected by an internal WAN.

The company decides to include spam reduction in the exiting Exchange Server 2007 deployment plan.

The company has the following requirements:

Reduce the amount of internal network traffic created by spam.

Ensure that the servers that block the spam are fault tolerant.

Distribute inbound e-mail messages from the Internet among the offices.

You need to modify the deployment plan to meet the outlined requirements.

Which three actions should you include in the plan to modify the deployment plan to meet the outlined requirements? (Each correct answer presents part of the solution.

Choose three.)