If you customized your WooCommerce WordPress mail template design and or added specific content and now want to see how exactly it going to user?
Few ways to see your website sending Mail are ?
1. Use Preview E-mails for WooCommerce
2. Do test order and see mail
3. Add few lines code and get all WooCommerce Mail copy on your specific Mail ID.
Following are some sample code by using it you able to change Mail sending header and adding your Specific mail id as BCC: you will get all Copy of Mail when-ever