If you have a small establishment and are not configuring an Edge Transport Server in your environment then you will have to configure your Hub Transport Server (which could also be your Client Access Server as well as Mailbox Server) to allow internet mail flow from your Hub Transport Server.
Before you proceed with these instructions [...]
Had been thinking of exploring Exchange Server 2007 on my VMware machine. I have a network setup with a dummy domain and 2 domain controllers, one file server and 2 vista client machines. All of them were running Windows Server 2008 R2 Enterprise edition except the member server which had Server 2008 Enterprise edition, which [...]

