SMTP

The SMTP integrationIntegrations connect and integrate Home Assistant with your devices, services, and more. [Learn more] allows you to deliver notifications from Home Assistant to an email recipient.

Configuration

To add the SMTP service to your Home Assistant instance, use this My button:

Check your email provider configuration or help pages to get the correct SMTP settings.

Configuration options

The integration provides the following configuration options:

Adding recipients

You need to add at least one recipient email address. During the integration setup, you will be asked to add your first recipient email address. Additional recipients can be added later. Recipients are managed separately and can be added, edited, or removed at any time.

1. Go to Settings > Devices & services and select the SMTP integration.
2. Select Add recipient.
3. Enter the email address you want to send notifications to.
4. Select Submit.

Repeat these steps to add more recipients. Every email address you add can be selected as target for the corresponding integration.

Specific email provider configuration

Check below some configurations examples for specific email providers. If you are in doubt about the SMTP settings required, check your email provider configuration or help pages for more information about its specific SMTP configuration.

Google Mail

Example configuration for Google Mail.

Google has some extra layers of protection that need special attention. You must use an application-specific password in your notification configuration.

To be able to create an app password:

• You must have 2-step verification enabled on your account with another authentication mechanism than security key.
• Your Google account must not be enrolled in Google’s Advanced Protection Program.
• Your Google account must not belong to a Google Workspace that has disabled this feature. Accounts owned by a school, business, or other organization are examples of Google Workspace accounts.

Supported functionality

Notifiers

The SMTP integrationIntegrations connect and integrate Home Assistant with your devices, services, and more. [Learn more] will add a notify entityAn entity represents a sensor, actor, or function in Home Assistant. Entities are used to monitor physical properties or to control other entities. An entity is usually part of a device or a service. [Learn more] for each configured recipient. To send a notification, you can use the Send a notification message (notify.send_message) actionActions are used in several places in Home Assistant. As part of a script or automation, actions define what is going to happen once a trigger is activated. In scripts, an action is called sequence. [Learn more]. For more customizable notifications, use the SMTP: Send message (smtp.send_message) instead.

action: notify.send_message
data:
  title: "Reminder Have you considered frogs?"
  message: "Just checking in. Have you considered frogs today? If not, there's still time."
target:
  entity_id: notify.my_email

List of actions

The SMTP integrationIntegrations connect and integrate Home Assistant with your devices, services, and more. [Learn more] provides the following actions. Each link below opens a dedicated page with examples, parameters, and a step-by-step UI walkthrough.

• Send message (smtp.send_message) Send an email notification. Optionally use HTML formatting and include inline images or attach images and other files.

For an overview of every action across all integrations, see the actions reference.

SMTP automation examples

You can use this integration to create automations that send a notification to your email address when something happens.

Automation: send an email message when front door opens

This automation sends a notification message to an email address when the front door opens.

• Trigger: State
  • Entity: Front door binary sensor
  • To: On
• Action: Send a notification message
  • Target: My email address (notify.my_email)

alias: "Notify by email: front door opened"
triggers:
  - trigger: door.opened
    target:
      entity_id: binary_sensor.front_door
actions:
  - action: notify.send_message
    target:
      entity_id: notify.my_email
    data:
      title: "Alert: Front Door Opened"
      message: >
        The front door was opened at {{ now().strftime('%Y-%m-%d %H:%M:%S') }}.

Known limitations

• The SMTP integration does not currently support OAuth 2.0 authentication.

Troubleshooting

The SMTP integration requires network connectivity to the configured SMTP server. If you use a mail server on the internet, verify that your internet connection is stable. Your email service provider may also experience downtime, including scheduled maintenance.

When reporting an issue, enable debug logging. Reload the integration. As soon as the issue reoccurs, stop debug logging again. The debug log file will be downloaded automatically.

Removing the integration

This integration follows standard integration removal.

To remove an integration instance from Home Assistant

1. Go to Settings > Devices & services and select the integration card.
2. From the list of devices, select the integration instance you want to remove.
3. Next to the entry, select the three dots menu. Then, select Delete.