Saving messages sent from a shared mailbox to the Sent Items folder

This policy setting controls whether messages sent from a shared mailbox are saved to the Sent Items folder of the shared mailbox. By default, messages sent from a shared mailbox aren't saved to the Sent Items folder of the shared mailbox. If you enable this policy setting, messages sent from a shared mailbox will be saved to the Sent Items folder of the shared mailbox. If you disable or don’t configure this policy setting, messages sent from a shared mailbox won’t be saved to the Sent Items folder of the shared mailbox.