You can use Event Viewer to view System, Application, or Security event logs.
Log | Description |
System | Records events logged by Windows NT Server system components. It also lists the Microsoft SMTP Service settings in place at startup. |
Application | Records events logged by applications. |
Security | Records security events, helping to track changes to the security system and identify any possible breaches of security. You can only view the Security log if you are an administrator. |
For more information about the specific events that Microsoft SMTP Service records in the Windows NT Server event logs, see Microsoft SMTP Service Reference.