@mark.quilates - This issue could be related to this Discuss topic. In a nutshell, you would need to set the from parameter in the email action in your watch implementation. You could also use the email_defaults parameter in the email account configuration in the elasticsearch.yml file.
Thank you for your replied. But, I have already configured the "To" parameter in the Kibana GUI. Also used the gmail default setting. However still not works.
Please take a look on my screenshot. Still got, "Failed to send email to" Error.
@mark.quilates - When you click on the Send test email and observe the Failed to send email to... error message, can you check the Elasticsearch logs? There should be a corresponding error message related to this email action. Please provide the error message details observed in Elasticsearch logs.
@mark.quilates - I would appreciate if you can send the entire stack trace message from the Elasticsearch logs. That might give us more information about the actual problem.
Note:
assuming that your Gmail account has a default from email address set-up, then it should work? Unless there is something unexpected happening there (entire logs would help...).
you could try to configure the email account with email_defaults and from parameters and see if the behavior is different.
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