Quoting Yahoo customer support for email not working?

To learn how to diagnose and eliminate Yahoo mail problems, it is simply recommended to read the blog. In this guide, you will get an exact solution! Being a reliable and effective email service, sometimes Yahoo users face Yahoo Mail Not Working error. It could be too annoying when someone tries to send an email. But due to a technical glitch, Yahoo is not allowing its users to send emails or messages to recipients. There are many possible factors for not working with Yahoo Mail.
https://sites.google.com/view/wwwnot-working