To add a second authentication layer for suspicious logins (for example, from a new country) to Yahoo! Your email: Step 1: Hover over your name or logo at the top of Yahoo! navigation bar. Letter. Step 2: Select Account Information from the menu that appears. Step 3: If the message appears: + Enter Yahoo! Mail account password in the Password field. + Click Sign In. Step 4: Follow the login setup link for the second time in Login and Security. Step 5: Make sure to check the box to enable second login verification in Protect Your Account.
Step 6: If you have linked your mobile phone number to your account: Click Use Current Phone to use it for two-step authentication Or, click Use New Phone to use another phone. Please note that the forms on this page may not allow you to enter numbers in all countries that Yahoo! can actually provide a verification code. Step 7: If you have not set up your mobile phone number or choose Use New Phone: Enter your phone number in the Second Sign-On Settings: Add Mobile. Click Get SMS. Step 8: Enter the verification code received Enter the code (case insensitive). Step 9: Click Verify Code. Step 10: Select Only use my mobile number to verify at your second sign-in verification to request the use of SMS text verification or to verify two-step authentication. with password and security question. Note, two-step authentication does not apply to Yahoo! Messages are accessed via POP, mobile or IMAP; In such cases, you can create an application-specific password. You may also be interested in: YAHOO + AOLor YAHOO MAIL TIPS