How to configure an ISA Server 2006 firewall rule to publish incoming email to the Exchange Server 2007 Hub Transport Server.
Win one of the two license packs for GFI MailEssentials, #1 anti-spam solution used by over 80,000 customers worldwide.
How to use Powershell to add new IP addresses to a Receive Connector without overwriting the existing remote IP range.
The complete Exchange Server 2007 Transition Guide will step you through the process of migrating your Exchange Server 2003 organization to Exchange Server 2007.