I can see that you've been changing it through the template, @lawndutylandscap.
I'm here to ensure you'll set up the correct customer-facing email address to send sales forms in QuickBooks Online (QBO)
Normally, when you send invoices to your customers the default email they'll receive is firstname.lastname@example.org. To change this, ensure that you have unchecked the Same as company email box in the Contact Info section.
Your customer will now see your customer-facing email and the invoice details at the bottom part of the email. Given that, any response from your customer will be sent to your customer-facing email.
I have placed these helpful guides for more details about handling your sales forms in QBO:
Don't hesitate to leave a reply if you need further help regarding sending sales forms or QuickBooks. I'm always here to back you up. Have a good one.
Thank you for that information. Unfortunately, because my customer facing email is the same as my company email, when I uncheck the 'same as company email' box and try to enter it again, it just switches back to the 'Same As' checkbox.
Let me clarify things and help update your customer-facing email on your sales forms, @lawndutylandscap.
In QuickBooks Online, regardless of whether you check or uncheck the Same as company email box, it will not change the sending email, unless you use a Gmail account.
Aside from that, make sure also that you're Reply to section is the customer-facing email.
For more info, you may utilize this link to manage your business emails easier, by connecting Gmail to your QuickBooks company. It includes some helpful tips to make the connection easier.
You can also send sales forms or reports to many email addresses to make your task easy and efficient. Check out these resources for more info:
Don't hesitate to tag my name if you have other questions about handling sent emails to your customers. I'll be happy to always help. Stay safe and have a good day!