Possible Cause: The disposition of SMTP mail notification is disabled.
Action: Check the disposition settings for the Alarm template for which the SMTP mail notification is required. Verify that the IP address or DNS name of the SMTP mail server is correct and the SMTP service is up and running on the SMTP mail server.
Possible Cause: The SMTP mail server might not be running at the designated server.
Action: Start the SMTP mail service at the server with the designated IP address.