Common Errors in QuickBooks Email Setup and Fixes. Errors like "QuickBooks can't send emails" are common. Ensure you’re using the correct email port and server settings. Check if the email account is active and passwords are correct. Restart QuickBooks after configuration changes. These steps resolve most email setup issues efficiently. https://medium.com/@quickbooksintuitblogs/cant-send-email-in-quickbooks-causes-and-stepwise-resolutions-53a449b8f62c