There are several mailing lists and online discussion groups available to the populace of the Barony of Cynnabar:
- barony - This is the general email list for the Barony of Cynnabar for various announcements and discussions pertaining to the Barony and its members. Any official Cynnabar announcements will be sent to this mailing list.
- The Barony of Cynnabar - A Facebook group for the populace of the Barony of Cynnabar (Ann Arbor area) in the Society for Creative Anachronism.
- Barony of Cynnabar Brewing Guild - Discussion of brewing, both period and non, and a place to coordinate brew dates in the Barony of Cynnabar.
- Cynnabar Crash and Pool - for planning crash space and car pools for events.
- Barony of Cynnabar Scribal Guild - A place to discuss scribal news, questions, projects and classes for the Barony of Cynnabar. Our goal is to make scribal arts easily accessible to anyone who would like to try their hand.