Within Internic Cloud Email's webmail the default Auto Forwarding button can only forward to 1 address, however you may set up many more email forwards within the filters section.
Log into your webmail at mail.internic.ca, then click the gear icon on the top right hand side, then click All Settings.
Click Filter Rules, then click Add Filter Rule.
Click Add Action, then click Redirect to.
Enter the email address you would like email forwarded to, then click Save.