Yes. To have mail forwarded to multiple other addresses simply visit your personal CNC located at http://www.YourDomainName.com/CNC/ (remember to replace YourDomainName.com with your own domain name).
Once within the CNC click on the menu option titled Email Manager and then:
1) Click on the icon next to Forwarding Alias Stacks
2) Type in the Username for the email account you would like forwarded
3) Ensure the drop-down menu has Forwarding Alias or Stack selected
4) Click the Continue button.
5) Enter up to ten email address you would like this email account to forward to
That's all there is to it. Go ahead and test it out!