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• Q: I have deployed a single Exchange 2007 server with the Hub Transport, Client Access and Mailbox Server roles in my test environment. Although I ve configured our firewall to forward SMTP traffic to the Exchange 2007 server, I cannot receive any messages from the Internet.

• A: This behavior is actually by design. By default, an Exchange 2007 Hub Transport server is configured so that it doesn t accept anonymous e-mail from the Internet. Instead, Microsoft recommends that you deploy an Edge Transport server in your DMZ and have any inbound as well as outbound e-mail messages routed through this server. But if you cannot afford this or for some other reason don t want to deploy an Edge Transport server, you can configure your Hub Transport server to accept e-mail by configuring the default Receive connector to accept anonymous e-mail from the Internet. You do so by accessing the properties for the default Receive connector, which is located under Server Configuration Hub Transport in the EMC. Here you select the Permissions Groups tab and enable Anonymous users.

• Q: Is there any way...