As part of the Microsoft continuing security initiatives, Microsoft Exchange Server 2007 Service Pack 1 (SP1) introduces a behavior change designed to reduce the attack surface of the system.

• 作为Microsoft不断发展的安全计划的一部分,Microsoft Exchange Server 2007 Service Pack 1(SP1)引入了一项行为改变,可以减少系统受攻击的可能性。