VDS Email alerts doesn't get triggered when NO user/password configured for SMTP

If you are not receiving Email Alerts from VDS monitoring and there is NO user/password configured for SMTP settings then, you would need to perform these below steps.

1. Stop the Task scheduler server

2. Login to Control Panel > Expert Mode > ZK tab

Expand
/radiantone/v2/<cluster name>/config/logging/log4j2-scheduler.json

3. Find the below line
"smtpPassword" : "${alert.email.smtp.password}",

4. Then, Remove these 2 lines
"smtpUsername" : "${alert.email.smtp.username}",
"smtpPassword" : "${alert.email.smtp.password}",

5. You can add these 2 lines(smtpDebug and ignoreExceptions) (OPTIONAL for debugging SMTP issues)
under it like
"smtpDebug" : "true",
"ignoreExceptions" : "false",

6. Click Save

7. Start the Task scheduler server

8. Test Email Alerts