You can create a forwarder for incoming emails in the inbox of your domain email account, so that they automatically forward to another email address.
Creating the forwarder in Webmail
- Log in to Webmail
- In the top right hand corner go to the menu (☰) and then Settings > Incoming Email > Forwarding
- Change the status to On and enter the email address that you want to forward incoming emails to
- Check the box Save copy of forwarded email and then save your changes