How to configure Exchange Server 5.5 if it is used only as a gateway (only IMC installed, no mailboxes)?
If Exchange Server 5.5 is used as a gateway, (only IMC (Internet Mail Connector) installed, no mailboxes), the IMC must be configured in the following way: You will need to configure your gateway server as described in MSDN KB article Q238471, “XIMS: How to Force SMTP Messages through the Information Store” (http://support.microsoft.com/support/kb/articles/Q238/4/71.ASP). There are two ways to re-configure your Exchange Server: 1. You can use utility fsaexgtw provided in the package. The utility can be found in the Agent installation directory (for example “C:\Program Files\F-Secure\Anti-Virus Agent for Microsoft Exchange\fsaexgtw.exe”). Run the utility and follow the instructions on the screen. 2. You can update the following value in the Registry on the gateway server: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\MSExchangeIMC\Parameters Value Name: RerouteViaStore Data Type: Reg_Dword Data: 1 after that you will need restart Internet Mail Service. The reason for this is that