Exchange Server 2007 includes five roles – Mailbox, Client Access, Hub Transport, Unified Messaging and Edge Transport Server Role.
In this Step-by-Step Screencast, we will demonstrate the installation and configuration of the Edge Transport Server Role. The primary responsibility of the Edge Server is to function as an SMTP gateway and protect your messaging system from viruses and spam.
It is important to point out that:
– The Edge server checks only SMTP traffic – all inbound and outbound e-mails for your organization should be flowing through it.
– You cannot use the Edge server for OWA (Outlook Web Access), Outlook Anywhere, POP3, IMAP access.
– You cannot install any other Exchange Role on and Edge Transport Server – as you can see in the video, once you check the Edge server role box, all other roles are grayed out.
– The Edge server should be installed in DMZ as a workgroup machine – it is not a member of your internal Active Directory domain.
– The MX record for your domain(s) should be pointing to Edge Server’s public IP – all inbound traffic should be flowing through it.
– The Edge server uses AD LDS (Active Directory Lightweight Directory Services) when installed on Windows Server 2008, or ADAM (Active Directory Application Mode) – when installed on Windows Server 2003.
In the following Step-by-Step video tutorial, you will see the installation and initial synchronization of Edge Transport server on Windows 2008 OS, in a DMZ.
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Dean