http://blogs.msdn.com/vikas/archive/2009/03/30/howto-give-service-account-access-to-all-mailboxes-on-an-exchange-2007-server.aspxThis is my first attempt to write a Powershell sample to my readers. In this sample we will give Send-As, Receive-As, ms-Exch-Store-Admin rights to an active directory user. We will be piping two commands here… Get-MailboxServer and the result will goen-USCommunityServer 2.1 SP1 (Build: 61025.2)