You can change your Zoho Invoice mail address by following these steps,
- Click the Gear icon on the top right corner and select Organization Profile.
Click Configure Emails under Primary Contact and click + Add Additional Contact.
- Enter the name and the email address of the contact and hit Save.
- An email would be sent to that email address with the verification link. The owner of the email address will have to forward that mail to you.
- You need to click the verification link to complete the verification process.
- To send transactions via the newly added email id, just move your mouse on the side of the email addresses and hit Mark as primary.