Let's get you back on track, kcc4.
It's possible that the security setting on your online email service is blocking your emails from QuickBooks. Before checking your settings, let's make sure to update your QuickBooks Desktop to the latest release. Then, try to email a test transaction to yourself.
If you're getting the same result, you can follow step 2 in this article: Fix webmail password issues in QuickBooks Desktop.
Let me know how it goes and I'll get back to you the soonest. Thanks.