*`invites_enabled`: Enable user invitations for admins (depends on `registrations_open: false`).
*`account_activation_required`: Require users to confirm their emails before signing in.
*`federating`: Enable federation with other instances
*`federation_incoming_replies_max_depth`: Max. depth of reply-to activities fetching on incoming federation, to prevent out-of-memory situations while fetching very long threads. If set to `nil`, threads of any depth will be fetched. Lower this value if you experience out-of-memory crashes.
*`federation_reachability_timeout_days`: Timeout (in days) of each external federation target being unreachable prior to pausing federating to it.
*`allow_relay`: Enable Pleroma’s Relay, which makes it possible to follow a whole instance
*`rewrite_policy`: Message Rewrite Policy, either one or a list. Here are the ones available by default:
*`Pleroma.Web.ActivityPub.MRF.RejectNonPublic`: Drops posts with non-public visibility settings (See ``:mrf_rejectnonpublic`` section)
*`Pleroma.Web.ActivityPub.MRF.EnsureRePrepended`: Rewrites posts to ensure that replies to posts with subjects do not have an identical subject and instead begin with re:.
*`Pleroma.Web.ActivityPub.MRF.AntiLinkSpamPolicy`: Rejects posts from likely spambots by rejecting posts from new users that contain links.
*`Pleroma.Web.ActivityPub.MRF.VocabularyPolicy`: Restricts activities to a configured set of vocabulary. (see `:mrf_vocabulary` section)
*`public`: Makes the client API in authentificated mode-only except for user-profiles. Useful for disabling the Local Timeline and The Whole Known Network.
*`quarantined_instances`: List of ActivityPub instances where private(DMs, followers-only) activities will not be send.
*`managed_config`: Whenether the config for pleroma-fe is configured in this config or in ``static/config.json``
*`federated_timeline_removal`: A list of patterns which result in message being removed from federated timelines (a.k.a unlisted), each pattern can be a string or a [regular expression](https://hexdocs.pm/elixir/Regex.html)
*`replace`: A list of tuples containing `{pattern, replacement}`, `pattern` can be a string or a [regular expression](https://hexdocs.pm/elixir/Regex.html)
## :mrf_vocabulary
*`accept`: A list of ActivityStreams terms to accept. If empty, all supported messages are accepted.
*`reject`: A list of ActivityStreams terms to reject. If empty, no messages are rejected.
## :media_proxy
*`enabled`: Enables proxying of remote media to the instance’s proxy
*`base_url`: The base URL to access a user-uploaded file. Useful when you want to proxy the media files via another host/CDN fronts.