Once and awhile I see this error message in the event log: Event Type: Error Event Source: DCOM Event Category: None Event ID: 10009 Date: 6/29/2004 Time: 8:45:47 PM User: MAIL\ourbigbadadminaccount Computer: EXCHANGE Description: DCOM was unable to communicate with the computer mx1.oursmarthost.com using any of the configured protocols. For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp. mx1.oursmarthost.com is our SmartHost specified in our SMTP settings. Exchange Server 2003 we are using. Thank you for your time.