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Kinto Emailer

kinto-emailer send emails when some events arise (e.g. new records have been created). It relies on Pyramid Mailer for the sending part.


pip install kinto-emailer


In the Kinto settings:

kinto.includes = kinto_emailer

mail.default_sender =

# = localhost
# mail.port = 25
# mail.username = None
# mail.password = None
# mail.tls = False
# mail.queue_path = None

If mail.queue_path is set, the emails are storage in a local Maildir queue.

See more details about Pyramid Mailer configuration.

Validate configuration

The following command will send a dummy email to the specified recipient or will fail if the configuration is not correct:

$ kinto-send-email config/kinto.ini


Use a fake emailer that write emails files to disk:

mail.debug_mailer = true

How does it work?

Some information — like monitored action or list of recipients — are defined in the collection or the bucket metadata. When an event occurs, the plugin sends emails if one of the expected condition is met.


The metadata on the collection (or the bucket) must look like this:

  "kinto-emailer": {
    "hooks": [{
      "template": "Something happened!",
      "recipients": ['Security reviewers <>']

In the above example, every action on the collection metadata or any record in that collection will trigger an email notification.

The metadata of the collection override the bucket metadata, they are not merged.


  • subject (e.g. "An action was performed")
  • sender (e.g. "Kinto team <>")


The list of recipients can either contain:

  • Email adresses (eg. or "Joe Doe <>")
  • Group URI (eg. /buckets/staging/groups/reviewers)

With group URIs, the email recipients will be expanded with the group members principals look like email addresses (eg.


It is possible to define several hooks, and filter on some condition. For example:

  "kinto-emailer": {
    "hooks": [{
      "resource_name": "record",
      "action": "create",
      "template": "Record created!",
      "recipients": ['Security reviewers <>']
    }, {
      "resource_name": "collection",
      "action": "updated",
      "template": "Collection updated!",
      "recipients": ["Security reviewers <>"]

The possible filters are:

  • resource_name: record or collection (default: all)
  • action: create, update, delete (default: all)
  • collection_id (default: all)
  • record_id (default: all)
  • event: (default), or,,

If a filter value starts with the special character ^, then the matching will consider the filter value to be a regular expression.

For example, in order to exclude a specific collection_id, set the filter value to: ^(?!normandy-recipes$).


The template string can have placeholders:

  • bucket_id
  • id: record or collection id)
  • user_id
  • resource_name
  • uri
  • action
  • timestamp
  • root_url
  • client_address
  • user_agent

For example:

{user_id} has {action}d a {resource_name} in {bucket_id}.

See Kinto core notifications.

Running the tests

To run the unit tests:

$ make tests

For the functional tests, run a Kinto instance in a separate terminal:

$ make run-kinto

And start the test suite:

$ make functional


Plugin to manage email notifications on records modification in a collection.



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