My above blog is based on Microsoft's Official information.
I hope this blog about 'Microsoft Dynamics CRM 2011 E-mail Router Deployment Scenarios. On Premises Scenario 2: Configure Microsoft Dynamics CRM to use the E-mail Router for outgoing e-mail and a forward mailbox for incoming e-mail. PART-7 in Series [Configure the Microsoft Dynamics CRM forward mailbox]' was informative. Please feel free to leave your comments.