454 lines
21 KiB
Plaintext
454 lines
21 KiB
Plaintext
[[actions-email]]
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=== Email Action
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Use the `email` action to send email notifications. To send email, you must
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<<configuring-email, configure at least one email account>> in
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`elasticsearch.yml`.
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Email notifications can be plain text or styled using HTML. You can include
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information from the watch execution payload using <<templates, templates>>
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and attach the entire watch payload to the message.
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See <<email-action-attributes>> for the supported attributes. Any attributes that
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are missing from the email action definition are looked up in the email
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account configuration. The required attributes must either be set in the email
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action definition or the account's `email_defaults`.
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[[configuring-email-actions]]
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==== Configuring Email Actions
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You configure email actions in the `actions` array. Action-specific attributes
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are specified using the `email` keyword.
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For example, the following email action uses a template to include data from
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the watch payload in the email body:
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[source,js]
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--------------------------------------------------
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"actions" : {
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"send_email" : { <1>
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"email" : { <2>
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"to" : "<username>@<domainname>", <3>
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"subject" : "Watcher Notification", <4>
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"body" : "{{ctx.payload.hits.total}} error logs found" <5>
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}
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}
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}
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--------------------------------------------------
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// NOTCONSOLE
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<1> The id of the action.
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<2> The action type is set to `email`.
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<3> One or more addresses to send the email to. Must be specified in the
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action definition or in the email account configuration.
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<4> The subject of the email can contain static text and Mustache <<templates,
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templates>>.
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<5> The body of the email can contain static text and Mustache <<templates,
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templates>>. Must be specified in the action definition or in the email
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account configuration.
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[[configuring-email-attachments]]
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==== Configuring Email Attachments
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You can attach the execution context payload or data from an any HTTP service to
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the email notification. There is no limit on the number of attachments you can
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configure.
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To configure attachments, specify a name for the attached file and the type of
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attachment: `data`, `http` or `reporting`. The `data` attachment type attaches the execution
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context payload to the email message. The `http` attachment type enables
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you to issue an HTTP request and attach the response to the email message. When
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configuring the `http` attachment type, you must specify the request URL. The
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`reporting` attachment type is a special type to include PDF rendered dashboards
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from kibana. This type is consistently polling the kibana app if the dashboard
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rendering is done, preventing long running HTTP connections, that are potentially
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killed by firewalls or load balancers inbetween.
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[source,js]
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--------------------------------------------------
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"actions" : {
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"email_admin" : {
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"email": {
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"to": "John Doe <john.doe@example.com>",
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"attachments" : {
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"my_image.png" : { <1>
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"http" : { <2>
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"content_type" : "image.png",
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"request" : {
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"url": "http://example.org/foo/my-image.png" <3>
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}
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}
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},
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"dashboard.pdf" : {
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"reporting" : {
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"url": "http://example.org:5601/api/reporting/generate/dashboard/Error-Monitoring"
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}
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},
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"data.yml" : {
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"data" : {
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"format" : "yaml" <4>
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}
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}
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}
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}
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}
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}
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--------------------------------------------------
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// NOTCONSOLE
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<1> The ID of the attachment, which is used as the file name in the email
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attachment.
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<2> The type of the attachment and its specific configuration.
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<3> The URL from which to retrieve the attachment.
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<4> Data attachments default to JSON if you don't specify the format.
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.`http` attachment type attributes
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[options="header"]
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|=====
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| Name | Description
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| `content_type` | Sets the content type for the email attachment. By default,
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the content type is extracted from the response sent by the
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HTTP service. You can explicitly specify the content type to
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ensure that the type is set correctly in the email in case
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the response does not specify the content type or it's specified
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incorrectly. Optional.
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| `inline` | Configures as an attachment to sent with disposition `inline`. This
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allows the use of embedded images in HTML bodies, which are displayed
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in certain email clients. Optional. Defaults to `false`.
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| `request` | Contains the HTTP request attributes. At a minimum, you must
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specify the `url` attribute to configure the host and path to
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the service endpoint. See <<webhook-action-attributes>> for
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the full list of HTTP request attributes. Required.
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|======
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.`data` attachment type attributes
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[options="header"]
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|=====
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| Name | Description
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| `format` | Attaches the watch data, equivalent to specifying `attach_data`
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in the watch configuration. Possible values are `json` or `yaml`.
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Defaults to `json` if not specified.
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|======
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.`reporting` attachment type attributes
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[options="header"]
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|=====
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| Name | Description
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| `url` | The URL to trigger the dashboard creation
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| `inline` | Configures as an attachment to sent with disposition `inline`. This
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allows the use of embedded images in HTML bodies, which are displayed
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in certain email clients. Optional. Defaults to `false`.
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| `retries` | The reporting attachment type tries to poll regularly to receive the
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created PDF. This configures the number of retries. Defaults to `40`.
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The setting `xpack.notification.reporting.retries` can be configured
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globally to change the default.
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| `interval` | The time to wait between two polling tries. Defaults to `15s` (this
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means, by default watcher tries to download a dashboard for 10 minutes,
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forty times fifteen seconds). The setting `xpack.notification.reporting.interval`
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can be configured globally to change the default.
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| `request.auth` | Additional auth configuration for the request
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| `request.proxy` | Additional proxy configuration for the request
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|======
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[[email-action-reports]]
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===== Attaching Reports to an Email
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You can use the `reporting` attachment type in an `email` action to automatically
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generate a Kibana report and distribute it via email.
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include::{kib-repo-dir}/reporting/watch-example.asciidoc[]
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include::{kib-repo-dir}/reporting/report-intervals.asciidoc[]
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For more information, see
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{kibana-ref}/automating-report-generation.html[Automating Report Generation].
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[[email-action-attributes]]
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==== Email Action Attributes
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[cols=",^,,", options="header"]
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|======
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| Name |Required | Default | Description
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| `account` | no | the default account | The <<configuring-email, email account>> to use to send the email.
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| `from` | no | - | The email <<email-address,address>> from which the email
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will be sent. The `from` field can contain Mustache
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<<templates, templates>> as long as it resolves to a
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valid email address.
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| `to` | yes | - | The email <<email-address,addresses>> of the `to` recipients.
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The `to` field can contain Mustache <<templates, templates>>
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as long as it resolves to a valid email address.
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| `cc` | no | - | The email <<email-address,addresses>> of the `cc` recipients.
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The `cc` field can contain Mustache <<templates, templates>>
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as long as it resolves to a valid email address.
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| `bcc` | no | - | The email <<email-address,addresses>> of the `bcc` recipients.
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The `bcc` field can contain Mustache <<templates, templates>>
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as long as it resolves to a valid email address.
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| `reply_to` | no | - | The email <<email-address,addresses>> that will be set on the
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message's `Reply-To` header. The `reply_to` field can contain
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Mustache <<templates, templates>> as long as it resolves to
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a valid email address.
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| `subject` | no | - | The subject of the email. The subject can be static text or
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contain Mustache <<templates, templates>>.
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| `body` | no | - | The body of the email. When this field holds a string, it
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will default to the text body of the email. Set as an object
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to specify either the text or the html body or both (using
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the fields below)
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| `body.text` | yes | - | The plain text body of the email. The body can be static text
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or contain Mustache <<templates, templates>>. The email `body`
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must contain at least one `text` or `html` field.
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| `body.html` | yes | - | The html body of the email. The body can be static text or
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contain Mustache <<templates, templates>>. This body will be
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sanitized to remove dangerous content such as scripts. This
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behavior can be disabled by setting
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`xpack.notification.email.html.sanitization.enabled: false` in
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`elasticsearch.yaml`. The email `body` must contain at least
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one `text` or `html` field.
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| `priority` | no | - | The priority of this email. Valid values are: `lowest`, `low`,
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`normal`, `high` and `highest`. The priority can contain a
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Mustache <<templates, template>> as long as it resolves to
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one of the valid values.
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| `attachments` | no | - | Attaches the watch payload (`data` attachment) or a file
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retrieved from an HTTP service (`http` attachment) to the
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email. For more information, see
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<<configuring-email-attachments, Configuring Email Attachments>>.
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| `attach_data` | no | false | Indicates whether the watch execution data should be attached
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to the email. You can specify a Boolean value or an object.
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If `attach_data` is set to `true`, the data is attached as a
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YAML file. This attribute is deprecated, use the `attachments`
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attribute to add a `data` attachment to attach the watch payload.
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| `attach_data.format` | no | yaml | When `attach_data` is specified as an object, this field
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controls the format of the attached data. The supported formats
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are `json` and `yaml`. This attribute is deprecated, use the
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`attachments` attribute to add a `data` attachment to attach
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the watch payload.
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|======
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[[email-address]]
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Email Address::
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An email address can contain two possible parts--the address itself and an
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optional personal name as described in http://www.ietf.org/rfc/rfc822.txt[RFC 822].
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The address can be represented either as a string of the form `user@host.domain`
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or `Personal Name <user@host.domain>`. You can also specify an email address as
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an object that contains `name` and `address` fields.
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[[address-list]]
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Address List::
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A list of addresses can be specified as a an
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array: `[ 'Personal Name <user1@host.domain>', 'user2@host.domain' ]`.
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[[configuring-email]]
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==== Configuring Email Accounts
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{watcher} can send email using any SMTP email service. Email
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messages can contain basic HTML tags. You can control which groups of tags are
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allowed by <<email-html-sanitization, Configuring HTML Sanitization Options>>.
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You configure the accounts {watcher} can use to send email in the
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`xpack.notification.email` namespace in `elasticsearch.yml`.
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If your email account is configured to require two step verification, you need
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to generate and use a unique App Password to send email from {watcher}.
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Authentication will fail if you use your primary password.
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IMPORTANT: Currently, neither Watcher nor Shield provide a mechanism to encrypt
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settings in `elasticsearch.yml`. Because the email account credentials appear
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in plain text, you should limit access to `elasticsearch.yml` to the user that
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you use to run Elasticsearch.
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[[email-profile]]
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{watcher} provides three email profiles that control how MIME messages are
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structured: `standard` (default), `gmail`, and `outlook`. These profiles
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accommodate differences in how various email systems interpret the MIME
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standard. If you are using Gmail or Outlook, we recommend using the
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corresponding profile. Use the `standard` profile if you are using another
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email system.
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For more information about configuring {watcher} to work with different email
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systems, see:
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* <<gmail, Sending Email from Gmail>>
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* <<outlook, Sending Email from Outlook>>
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* <<exchange, Sending Email from Exchange>>
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* <<amazon-ses, Sending Email from Amazon SES>>
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If you configure multiple email accounts, you must either configure a default
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account or specify which account the email should be sent with in the
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<<actions-email, `email`>> action.
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[source,yaml]
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--------------------------------------------------
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xpack.notification.email:
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default_account: team1
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account:
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team1:
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...
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team2:
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...
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--------------------------------------------------
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[float]
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[[gmail]]
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===== Sending Email From Gmail
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Use the following email account settings to send email from the
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https://mail.google.com[Gmail] SMTP service:
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[source,yaml]
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--------------------------------------------------
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xpack.notification.email.account:
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gmail_account:
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profile: gmail
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smtp:
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auth: true
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starttls.enable: true
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host: smtp.gmail.com
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port: 587
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user: <username>
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password: <password>
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--------------------------------------------------
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If you get an authentication error that indicates that you need to continue the
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sign-in process from a web browser when {watcher} attempts to send email, you need
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to configure Gmail to https://support.google.com/accounts/answer/6010255?hl=en[Allow
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Less Secure Apps to access your account].
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If two-step verification is enabled for your account, you must generate and use
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a unique App Password to send email from {watcher}. See
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https://support.google.com/accounts/answer/185833?hl=en[Sign in using App Passwords]
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for more information.
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[float]
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[[outlook]]
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===== Sending Email from Outlook.com
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Use the following email account settings to send email action from the
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https://www.outlook.com/[Outlook.com] SMTP service:
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[source,yaml]
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--------------------------------------------------
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xpack.notification.email.account:
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outlook_account:
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profile: outlook
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smtp:
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auth: true
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starttls.enable: true
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host: smtp-mail.outlook.com
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port: 587
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user: <email.address>
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password: <password>
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--------------------------------------------------
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When sending emails, you have to provide a from address, either a default one
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in your account configuration or as part of the email action in the watch.
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NOTE: You need to use a unique App Password if two-step verification is enabled.
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See http://windows.microsoft.com/en-us/windows/app-passwords-two-step-verification[App
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passwords and two-step verification] for more information.
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[float]
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[[amazon-ses]]
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===== Sending Email from Amazon SES (Simple Email Service)
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Use the following email account settings to send email from the
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http://aws.amazon.com/ses[Amazon Simple Email Service] (SES) SMTP service:
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[source,yaml]
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--------------------------------------------------
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xpack.notification.email.account:
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ses_account:
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smtp:
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auth: true
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starttls.enable: true
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starttls.required: true
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host: email-smtp.us-east-1.amazonaws.com <1>
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port: 587
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user: <username>
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password: <password>
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--------------------------------------------------
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<1> `smtp.host` varies depending on the region
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NOTE: You need to use your Amazon SES SMTP credentials to send email through
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Amazon SES. For more information, see
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http://docs.aws.amazon.com/ses/latest/DeveloperGuide/smtp-credentials.html[Obtaining
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Your Amazon SES SMTP Credentials]. You might also need to verify
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https://docs.aws.amazon.com/ses/latest/DeveloperGuide/verify-email-addresses.html[your email address]
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or https://docs.aws.amazon.com/ses/latest/DeveloperGuide/verify-domains.html[your whole domain]
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at AWS.
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[float]
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[[exchange]]
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===== Sending Email from Microsoft Exchange
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Use the following email account settings to send email action from Microsoft
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Exchange:
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[source,yaml]
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--------------------------------------------------
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xpack.notification.email.account:
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exchange_account:
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profile: outlook
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email_defaults:
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from: <email address of service account> <1>
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smtp:
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auth: true
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starttls.enable: true
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host: <your exchange server>
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port: 587
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user: <email address of service account> <2>
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password: <password>
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--------------------------------------------------
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<1> Some organizations configure Exchange to validate that the `from` field is a
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valid local email account.
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<2> Many organizations support use of your email address as your username, though
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it is a good idea to check with your system administrator if you receive
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authentication-related failures.
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[float]
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[[email-html-sanitization]]
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===== Configuring HTML Sanitization Options
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The `email` action supports sending messages with an HTML body. However, for
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security reasons, {watcher} https://en.wikipedia.org/wiki/HTML_sanitization[sanitizes]
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the HTML.
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You can control which HTML features are allowed or disallowed by configuring the
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`xpack.notification.email.html.sanitization.allow` and
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`xpack.notification.email.html.sanitization.disallow` settings in
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`elasticsearch.yml`. You can specify individual HTML elements and
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{ref}/notification-settings.html#html-feature-groups[HTML feature groups]. By default, {watcher} allows the following
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features: `body`, `head`, `_tables`, `_links`, `_blocks`, `_formatting` and
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`img:embedded`.
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For example, the following settings allow the HTML to contain tables and block
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elements, but disallow `<h4>`, `<h5>` and `<h6>` tags.
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[source,yaml]
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--------------------------------------------------
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xpack.notification.email.html.sanitization:
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allow: _tables, _blocks
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disallow: h4, h5, h6
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--------------------------------------------------
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To disable sanitization entirely, add the following setting to
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`elasticsearch.yml`:
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[source,yaml]
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--------------------------------------------------
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xpack.notification.email.html.sanitization.enabled: false
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--------------------------------------------------
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