• First of all, you need to sign in to your Yahoo Mail account on a computer system screen and send an email to yourself.
• In case you get an error – simply address that for fixing the trouble.
• If you don't receive an error on the computer system screen - your Yahoo account is working fine.
In case you are unable to make out that why the issue is arising on your computer system screen, simply consult a certified tech professional team of Yahoo.
Read More@:- http://www.supportforhelp.com/contact-yahoo-number.html