install windows server 2012 r2 , install exchange 2012 , prepare the environment for cloud exchange mails management ,install requirements for multi tenants , install control panel for hosting ( free versions).
prepare a full documentations in terms of , adding new mails , adding new domains(forests) , adding mx records ETC
24 freelancers are bidding on average $541 for this job
I can do this for you, can manage all the installs and configuration work. I can provide you quality hosting, VPS, dedicated, anything you want to! Contact me