Company.com has employed you as their Exchange administrator.The Company.com network contains an Exchange Server 2010 Organization.You are responsible for managing the Company.com network.You receive an instruction from management to reject e-mail messages that have a spam confidence level （SCL） of 5.You thus decide to configure the organization to accomplish this task. What should you do？（）
- AYou should consider configuring the sender reputation.
- BYou should consider configuring the sender filtering.
- CYou should consider configuring the content filtering.
- DYou should consider configuring the recipient filtering.