This guide will help you plan and implement reliable strategies for maintaining a highly available exchange server 2003 messaging system 本手册将协助您规划及实作可靠的策略，以维持高度可用的exchange server 2003邮件系统。
Before using this guide to implement your high availability strategy , you should first read planning an exchange server 2003 messaging system 使用此手册实作高可用性策略之前，您应该先阅读规划exchange server 2003邮件系统。
To prevent it , a completed anti - virus system should be used . 2000fun see this serious problem , specify introduced a free virus - filtrated service 由此可见，病毒邮件真是防不胜防，大家必须要有一个完善的过滤病毒邮件系统才可。
However , circumstances such as component failure , power outages , operator errors , and natural disasters can affect a messaging system s availability 然而，像是元件故障电源中断操作员错误及自然灾害等情况却可能影响邮件系统的可用性。
And to make doubly sure that the message gets through cashramspam can also forward incoming cashramspam emails to any other email address Cashramspam专为解决这些问题而设计。用最少的钱，得到一个安全而且可以大幅度提高公司效率的邮件系统。
With the development of internet and the appearance of new application , the function of mail system must be extended continuously in order to meet new needs 随着internet的发展和新应用的出现，邮件系统的功能还须不断的扩展以满足新的需要。
This book guides you through the process of evaluating your existing environment and presents recommendations for designing an exchange server 2003 messaging system 本书将引导您评估现有的环境，并提供设计exchange server 2003邮件系统的建议。
