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tags: ThingsBoard
---

# Email Alarm

[toc]

## Steps

### Create alarm rule chain - via email test

#### a. script_under Threshold (filter in yellow)

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#### b. script_under Threshold (transformation in blue)

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#### c. create alarm

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#### d. clear alarm

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#### e. to email
* Email style can use html

* or use text

Device ${deviceName} has outstandard temperature ${temperature}

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#### f. send email

### Connect via email test rule chain with a device rule chain

* Rule Chain - create and clear alarm

* Device Profile

* Device

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### Configuring system SMTP settings


* sysadmin -> Mail Server Setting

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### Use Postman test email
* Alarm create and sent email
* Use postman -> post http://local/api/v1/${device_token}/telemetry


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Result:

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## Reference

[Send email on alarm](https://thingsboard.io/docs/user-guide/rule-engine-2-0/tutorials/send-email/)

[Send HTML or image inside email](https://thingsboard.io/docs/user-guide/rule-engine-2-0/tutorials/send-email-html/)

[Create and Clear Alarm](https://thingsboard.io/docs/user-guide/rule-engine-2-0/tutorials/create-clear-alarms/)

[Device Profiles](https://thingsboard.io/docs/user-guide/device-profiles/#notifications-about-alarms)

[Rule Engine Overview](https://thingsboard.io/docs/user-guide/rule-engine-2-0/overview/)

[SendGrid setting_Google Cloud](https://digital-transformation.media/google-cloud-platform/compute-engine-send-email-use-sendgrid/)