If you have been designated as an owner on a group/shared mailbox you are responsible for maintaining the mailbox just as you would your own.

You are responsible for:

• keeping the mailbox within the standard size limitations
  • Delete unnecessary mail items
  • Empty the deleted items folder
  • *Archive old mail
• granting other users permission to access the mailbox folders
  • *By granting delegate access, other users can open folders, create items, respond to requests, etc. Delegate access also gives the user permission to send on behalf of the shared mailbox.
  • The Microsoft Outlook Help provides detailed information on setting up delegate access.
• giving individual permission to access specific folders
  • If you do not want to give send on behalf of permissions, you can grant permission on individual folders.
    • Right click on Outlook Today grant the user Reviewer permission
    • Right click on the folder to be shared and grant the required permission
• creating rules for mail messages
  • Outlook 2000: Tools Rules Wizard
  • Outlook 2003: Tools Rules and Alerts
• Adding the group/shared mailbox to your existing profile for easier manageability.
  • Refer to the instructions under the Delegation / Sharing Information section.

*Requires that you open a profile as the group/shared mailbox. Refer