Temporary Error 15
Occasionally, issues in Yahoo Mail can cause "Temporary Error 15" to appear.
This error will usually correct itself within a few minutes to a few hours.
Fix the error on your computer
- Sign out of Yahoo Mail on all desktop and mobile devices.
- Make sure you’re using a supported Web browser and operating system (OS).
- See our Yahoo Mail system requirements for more info.
- Clear your Web browser's cache.
- Restart your Web browser.
- Sign back in to Yahoo Mail to see if the error is gone.