+[Pleroma Job Queue](https://git.pleroma.social/pleroma/pleroma_job_queue) configuration: a list of queues with maximum concurrent jobs.
+
+Pleroma has the following queues:
+* `federator_outgoing` - Outgoing federation
+* `federator_incoming` - Incoming federation
+* `mailer` - Email sender, see [`Pleroma.Mailer`](#pleroma-mailer)