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I need a step by step configuration guide for the fol[owing server roles CAS,HUB and mailbox in order to facilitate mail flow to the internet
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I need a step by step configuration guide for the fol[owing server roles CAS,HUB and mailbox in order to facilitate mail flow to the internet

Exchange 2010 configuration

Exchange is the server side of a collaborative application product that is part of the Microsoft Server infrastructure. Exchange's major features include email, calendaring, contacts and tasks, support for mobile and web-based access to information, and support for data storage.