You will receive an auto-confirmation email from yahoo (within 10 minutes). Simply reply to the auto-confirmation email to become a member (see image of the sample email below) -or- follow the directions in that email to setup a yahoo account. You do not have to set up a yahoo account.
If you have not received a reply email from @yahoogroups.com, please check your spam/junk folder.
Once approved, send emails to AWCAC@yahoogroups.com to post messages. Remember that the whole group will see emails that you send.