Introduced in Exchange Server 5.5, the Microsoft Exchange Event service (MSExchangeES) supports server-side scripts triggered by folder events, either in public folders or individual mailboxes.

• Microsoft Exchange Event服务(MSExchangeES)在Exchange Server 5.；5中引入；它在公用文件夹或各个邮箱中支持由文件夹事件触发的服务器端脚本。