To get notified when your client receives and opens the sent invoice, please follow these steps:
1. To mail your invoices go to “Invoices” tab.
2. Select the invoice you wish to send via e-mail and click “Send”.
3. “Mail Your Document” window will display the information being sent to your client.
4. Check the “Notify when document has been viewed” option.
5. Click the “Send Mail” button.