Steps for setting up email forwarding for certain emails:

1. Create a new email forwarder or select an existing one so that you can manage the settings.
2. Set a filter by either adding criteria to forward only certain emails or by setting a rule to forward only emails from certain contacts.
3. Configure the settings to forward emails to the desired address.
4. Test the settings by sending emails from different contacts and checking if they are forwarded correctly.
5. Finally, save the email forwarding settings.

Following the list of steps above should ensure that you can set up email forwarding for only certain emails.