I have a 2003 SBS Server running Exchange 2003. It has been fine for a year, but yesterday the SMTP service just stops. I restarted it and it would stop an hour later.
Today, when I restart the service, it starts and 1-3 seconds later it stops.
There is no info in the logs regarding this. Plenty of hd space on the server.
When I restart SMTP and it then immediately stops, the only 3 entries in the event log are:
SMTP service has been started, initializing queues. ID 332
SMTP service instance 1 has been started. ID 334
OMA Categorizer succesfully initialized. ID 10302