When all of these conditions are met:
Content source is Email
Is newly created is true
Receiving email addresses include any of appcenter@kolabsys.com, appcenter@kolabsystems.com, appcenter@bifrost.kolabsystems.com
Take these actions every time this rule matches:
Add projects: Restricted Project, Restricted Project.
Add subscribers: Restricted Project.
Change priority to: Low.