text: how to change security answer for yahoo email service?   if you would like to update your password question and secret answer, please forward the following information to my-login-request@yahoo-inc.com  yahoo! id  post code you included when you registered for this account, please include your country  birthday you provided at registration  your current password question and secret answer  the new password question and secret answer   please note: the punctuation, spelling, and spacing of your new secret answer are very important.  hope this information would definitely help you.