Installing the Internet Mail Service Sample Extension DLL

To install the Internet Mail Service Sample Extension DLL

From the Exchange\Samples\IMCext directory on the Microsoft BackOffice Resource Kit, Part Two compact disc, copy Imcext.dll to a server running the Internet Mail Service.

Create a registry value named ExtensionDLL that points to Imcext.dll.

The key is HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet
\Services\MSExchangeIMC\Parameters. The type is REG_SZ. The value is c:\path\Imcext.dll, where path is the path to the sample extension DLL.

In the Imcdata directory on the Microsoft Exchange Server computer, create a configuration file named Imcroute.cfg.