For doing the yahoo mail login mail you require to insert the email address and password on the sign-in page. After providing the sign-in details just click on the Sign In button. While doing the yahoo login mail always provides the correct details unless you will be not able to login to your Yahoo account. If you need assistance for login into your account then contact at +1-855-479-3999.
www.mailsupportnumber.com/yahoo-mail-login.html