Could not connect to SMTP host

Elastic Stack Elasticsearch
1

Hi,

I have configured watcher related alerts. Sending the watcher alert emails from a "support.test@domain.com". Below is the action template I have used in watcher

"actions": {
    "send_email": {
      "email": {
        "profile": "standard",
        "from": "support.test@domain.com",
        "to": [
         "test.test2@domain.com"
        ],
        "subject": "Watcher alert email",
        "body": {
          "text": "{{ctx.payload.filtered}}"
        }
      }
    }
  }

Initially I am able to see the emails are sent to "test.test2@domain.com" email. But, don't know the reason why it stopped.

When checked in the Execution History tab I able to see the email action is failing with error "Could not connect to SMTP host: dockerhost, port: 10025"

"actions": [
      {
        "id": "send_email",
        "type": "email",
        "status": "failure",
        "error": {
          "root_cause": [
            {
              "type": "messaging_exception",
              "reason": "failed to send email with subject [Watcher alert email] via account [work]"
            }
          ],
          "type": "messaging_exception",
          "reason": "failed to send email with subject [Watcher alert email] via account [work]",
          "caused_by": {
            "type": "messaging_exception",
            "reason": "Could not connect to SMTP host: dockerhost, port: 10025, response: -1"
          }
        }
      }
    ]
  }

Please let me know how to fix this. Thanks in advance

Regards,
Keyu

2

See this part in your message

Apparently that host does not exist or cannot be reached over that port.

3

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