Hi Pal2,
Thanks for posting. If you want to copy emails from this customer to someone else, click Add CC Email on the customer's card file and enter your email address. More information about this can be found in this article on adding customers.
This is in addition to adding another email and CCing another email:

Feel free to post again anytime you require further assistance.
If my response has answered your inquiry, please click "Accept as Solution" to help other users find this information.
Kind regards,
Shella