There is one common thing that every Yahoo user faces. And that is the issue of not being able to send and receive emails. It has become so common these days that there is nothing to worry about. The question why is my yahoo not sending emails? Is pretty common and is also easily solvable. Some of the common reasons for this error are unsupported files, poor internet connectivity, incompatible browser plugins, and incorrect IMPA/POP settings. Always remember that the first thing you should ensure is that the problem is not due to some technical issue on Yahoo Mail’s end. Then, check that your internet connection is strong. Try restarting the connection. If you’re using Yahoo on your mobile, you need to then try reinstalling and installing the application again. This removes technical glitches and also updates the app. These will definitely solve your problem of not being able to send or receive emails.