These are some of the control panels availible for exchange provisioning at the moment:
MS Provisioning for hosted exchange
Easy Exchange Administrator
They need a varying amount of servers and expertise to install. I have written a case study on the different panels availible and there advantages. If you would like a copy, send me an email or PM.
█ Windows and Exchange Server Experts, UK and US Dedicated Exchange Servers.
█ MCSE Certified, Registered Microsoft Partner.
█ Exchange 2010, Server 2008 and IIS 7 Services now available!
█ www.windowsserv.com Email:[email protected]