This chart summarizes key differences between Generic Accounts and Google Groups:
Can subscribe to receive copies of emails and/or view through Google Group interface
Email delivery options are the same as Gmail however, you log into your personal account and then switch to the limited account
Delegate generic Gmail accounts have associated Google Groups for the management of account delegates. The Google Group will be in the format delegate-
These Google Groups should be used solely for the management of delegates for generic delegated Gmail accounts. Google Groups needed for other purposes should be requested here.