Hi Hcriowa510,

We can enter multiple email addresses in the Customer Information.

Here's how: 

1. Click Sales, then choose Customers.
2. Choose a customer.
3. Select the Customer Details tab, then click Edit.
4. You can enter the email addresses in the Email field.
5. Click Save.

There's a limited numbers of characters that can be entered in this field. You'll want to have an additional characters by sending a request to our engineers. You can sent it directly to them by clicking the Gear icon, then choosing Feedback . They'll check on it and consider adding it in their future updates.

Let us know if you need anything else by leaving a comment below.