本書假定您負責配置、管理和維護 Communications Express,並且您瞭解以下內容︰
JavaScriptTM
HTML
Sun JavaTM System Calendar Server
Sun JavaTM System Web Server Enterprise Edition
或者
Sun JavaTM System Application Server Enterprise Edition
Sun JavaTM System Messaging Server
Sun JavaTM System Access Manager (原名為 Sun JavaTM System Identity Server)
Sun JavaTM System Directory Server