QuickBooks Delivery Server Down Error: Quick Fixes and Prevention Tips

Frequently, server overload, slow internet, out-of-date software, or improper email settings cause the "QuickBooks Delivery Server Down" issue. Restart your computer, make sure your internet connection is steady, and make sure QuickBooks is up to date to swiftly resolve issue. Verify email settings and check sure QuickBooks' connection isn't being blocked by your firewall or antivirus program.