Hub Transport Role
The Hub Transport role is responsible for all email flow in Exchange 2007. All email flows through this role, whether internal mailbox to mailbox, to public folders, to or from external recipients.
Where * appears after the article, it is in the Exchange 2010 section, but the same process applies to Exchange 2007.
Hub Transport Role
Receive Connector *
Send Connector *
Mutual TLS *
Setup your Send and Receive Connectors to use TLS with specific domains. *Filter Email for Unknown Users *
Secure your Distribution Lists *
You should secure your groups to ensure that they do not get abused. This page shows how you can make a small change to all of your groups which stops the abuse.Using the Same Domain on Two Seperate Sites *