Notifications
One capability in the whole suite notifies anyone: Approval. If nothing in your site uses it, nobody will ever get a Capable notification.
Email and Slack are not alternatives. For the same event, both are sent.
Slack channel broadcasts bypass the page read-permission check. A restricted page's title and link go to everyone in the channel. Read the Slack page before configuring one.
#In this section
What sends notificationsOnly Approval does, and email and Slack go out together rather than as alternatives.Email notificationsAn all-or-nothing personal switch, and it is scoped more narrowly than you would guess.Slack notificationsConnected once for the whole site by an administrator, with three caveats that matter.
#Related
Approval only. Both channels, same event.
