This blog post covers common recipient management scenarios in Exchange Server 2007 using Exchange Management Console (“console”), and the one-liners behind the scenes – single-line commands in Exchange Management Shell (“shell” or “EMS based on Windows PowerShell”) executed to achieve the thing. Now the console exposes one-liners for each wizard after successful completion.
http://msexchangeteam.com/archive/2006/09/05/428833.aspx