Yahoo offers email sharing and transfer services, as well as management or storage of contacts. Every phone now comes with a built-in email programme, but it probably won't look as good as the newest third-party mail apps. Therefore, if you already use another app on your iPhone but are sick of its terrible features. You now have good news: the yahoo mail version is popular and is becoming a standard for businesses and people.

But occasionally, a lot of us run across errors that show up on the screen due to misconfigured system files. This blog post will explain how to resolve Yahoo Mail Temporary Error 15.
What is temporary error 15 on Yahoo?
When the system file is incorrectly configured in your operating system, the Yahoo temporary error 15 frequently manifests as a pop-up on the screen. Your current email applications become slower as a result of this issue, and you are unable to access your email.

This is a simple remedy for problem 15 on your computer and in your Yahoo account.

To avoid encountering these issues, sign out of Yahoo Mail on all desktop and mobile platforms. Users of Yahoo email accounts have the habit of not signing out of all devices where they have an account.
You can get the problem if you're not sure if your web browser is supported and up to date. So, simply make sure that your operating system and web browser are supported (OS).
You can experience this brief problem if you don't regularly delete the cache and browsing history in your web browser. Simply make clearing the browsing history and caches a habit to speed up browsing and resolve Yahoo problem 15.
Restarting your web browser will typically fix the problem, so you may give it a speedy start.

These are professional advice that will help you immediately stop experiencing Yahoo temporary error 15, but we still advise you to give it some time to resolve itself.

Source:
https://sites.google.com/view/qwikaid/blogs/yahoo-mail-temporary-er...