The system has called a custom component and that component has failed and generated an exception. This indicates a problem with the custom component. Notify the developer of this component that a failure has occurred and provide them with the information below. 
Component Prog ID: 
Server Application ID: {FC2DC05B-F262-420C-B2A1-8C32729C1AAA}
Server Application Name: SmtpDomX
The serious nature of this error has caused the process to terminate.
Exception: C0000005
Address: 0x7884DCEC
Call Stack: 
COMSVCS + 0x10DCEC

The description for Event ID ( 0 ) in Source ( SMTPDomXSrv ) cannot be found. The local computer may not have the necessary registry information or message DLL files to display messages from a remote computer. The following information is part of the event: Unspecified error.