The short version is this: the Edge Transport server is fully deployed once you install ADAM and the Edge Transport server role on its own server, and also install at least one Hub Transport server from which you then subscribe the Edge Transport server. This subscription process automatically creates all of the SMTP connectors that are necessary in order for end-to-end mail flow to be operational in your environment.
To deploy an Edge Transport server into your organization, follow these steps:
Using the information from the other chapters in this book, get the other Exchange Server 2007 roles deployed on other servers in your organization.
On a server that is not a member of your Active Directory domain, install ...