ACN Discussions / List Serv
In mid-2012, the ACN List-Serv was transferred to Apple's Discussion forums.
To participate in the new format, first create a profile at discussions.apple.com.
Ask ACN Admin staff to register your account using this form:
Please allow 2-3 days for a reply.
Navigate to the ACN Discussions homepage here: ACN Discussions.
Each of these Communities has its own "Follow" and "Receive email" toggles: