The SMTP setting allows the system to send emails.
You can test that the email works by clicking Test. Error logs can be viewed on the Auditstore > Analytics screen.
For more information about Analytics, refer Working with OpenSearch Discover.
Some scripts run after you click Save.Ensure to save the details only when the connection is intact.
If the email address cannot be authenticated, then the Show Test Communication area displays the communication between the appliance and the SMTP server for debugging.