* `oauth_consumer_template`: OAuth consumer mode authentication form template. By default it's `consumer.html` which corresponds to `lib/pleroma/web/templates/o_auth/o_auth/consumer.html.eex`.
* `oauth_consumer_strategies`: the list of enabled OAuth consumer strategies; by default it's set by OAUTH_CONSUMER_STRATEGIES environment variable.
+## :email_notifications
+
+Email notifications settings.
+
+ - digest - emails of "what you've missed" for users who have been
+ inactive for a while.
+ - active: globally enable or disable digest emails
+ - schedule: When to send digest email, in [crontab format](https://en.wikipedia.org/wiki/Cron).
+ "0 0 * * 0" is the default, meaning "once a week at midnight on Sunday morning"
+ - interval: Minimum interval between digest emails to one user
+ - inactivity_threshold: Minimum user inactivity threshold
+
## OAuth consumer mode
OAuth consumer mode allows sign in / sign up via external OAuth providers (e.g. Twitter, Facebook, Google, Microsoft, etc.).