If you’re having trouble with Deliveries for Mac, first make sure you have the latest version from the Mac App Store. OS X Yosemite (10.10) or later is required. You can check your version of OS X by choosing “About this Mac” from your Apple menu. If you’re still having problems, consult the list of common questions below! Just click on a question to see the answer.
Updated November 29th: Deliveries 3.0.6 for Mac fixes most known problems. Please see here if you’re having problems with Amazon. See the latest service updates.