You can set Auto BCC option from admin console, for that configure Sending Routing settings :
To configure Sending routing settings for your domain or organizational unit:
- Sign in to the Google Admin console.
- From the dashboard, go to Google Apps > Gmail > Advanced settings.
- In the Organizations section, highlight your domain or the organizational unit for which you want to configure settings (On left side reflected in RED color)
-
Scroll down to the Sending routing section:
- If the setting's status is Not configured yet, click Configure (the "Add setting" dialog box displays).
- If the setting's status is Locally applied or Inherited, click Edit to edit an existing setting (the "Edit setting" dialog box displays), or click Add another to add a new setting (the "Add setting" dialog box displays).
- Email Messages to be affected Check both Outbound and Internal Sending
- Check the Add more recipients box to set up additional (or secondary) deliveries for dual delivery or multiple delivery.
- Select Basic from the drop-down list to add individual email addresses, and then click Save. Click Add to add multiple recipient addresses.
(Here Enter Email Id you want to receive Mail delivery)
- When you're finished making changes, click Add setting or Save to close the dialog box.
Note: Any settings you add will be highlighted on the "Email settings" page.
- Click Save changes at the bottom of the page