Information on how to use your Google Apps generic email account can be found below.
You can delegate access to your generic account email to another person or people so they can read, send, and delete messages on behalf of the generic account. Delegated access does not give the person the rights to change settings or chat via Hangouts on behalf of the generic account. You can delegate access to a maximum of 25 users.
Email Delegation Instructions:
You can give another user access to your generic account calendar. You decide on the level of access that the other user has to your calendar.
Calendar Delegation Instructions:
You can have your emails automatically forwarded to your generic account. You can forward all of your new messages, or just specific kinds of messages. Spam messages aren't included when you choose to forward all new mail.