Your company has a single office. The network contains six Exchange Server 2003 servers. Each Exchange server has three storage groups.
Each storage group has one mailbox store.
You configure a mailbox store policy that prevents users from sending e-mail when their mailboxes reach 300 MB.
You apply the policy to all mailbox stores.
You create a mail-enabled global group named Executives. You add mailboxes to the Executives group from several mailbox stores.
You need to ensure that all members of the Executives group can send e-mail until their mailboxes reach 750 MB.
What should you do?

A.
Create a new Group Policy object (GPO) and modify the GPO’s quota settings. Filter the policy to the Executives group.

B.
Create a recipient policy. Apply the policy to the Executives group. Configure the Mailbox Manager settings for the recipient policy.

C.
Create a new storage group and a new mailbox store. Configure the limits for the mailbox store. Move all the members of the Executives group to the new mailbox store.

D.
Create a new storage group and a new mailbox store. Configure a recipient policy. Apply the policy to the mailboxes in the new mailbox store. Move all the members of the Executives group to the new mailbox store.