My Exchange on SBS 2003 gives me the following error each morning. I must manually start SMTP agian.
Event Type: Information
Event Source: MSExchangeTransport
Event Category: Exchange Store Driver
Event ID: 333
Time: 5:02:11 AM
SMTP service has been stopped.
For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp