To set up email forwarding from Gmail to BrightManager, navigate to the 'Forwarding and POP/IMAP' section in your Gmail settings. From there, you can establish a forwarding rule to direct emails to BrightManager. If you're prompted for a forwarding code in your BM inbox and can't locate it, check under Tools > Email Manager for emails not linked to any clients.
Your Forwarding Rule can be found in your BrightManager, navigate to Settings > My Details > Setup Incoming and Outgoing emails > Gmail > Under the Incoming Email header you will find your Forwarding Address here Highlighted in Bold.