True." You can choose to have email sent directly from QuickBooks using your preferred email service rather than using the default email handling application. To do this, navigate to Preferences then Email. From here, choose Custom. Ensure you have the information required to fill out the form. You can do an online search to determine the correct information to input for your specific email service. Once filled out, click OK. Now when you go to send an invoice, report, or other transaction, your preferred email service will be listed as an option.