[otrs] Always BCC an address when replying to a customer

We have set up a gmail account for storing ticket emails sent from users, it is a really great way to search old tickets. But I'd like to also send our responses (automatically) to this gmail account, how can I set it up so that this address is ALWAYS BCCed in our reponses to customers? -- Wes Plate Automatic Duck, Inc. http://www.automaticduck.com