Don’t get locked out of your Yahoo account. Keep a valid mobile phone number or email address on your account in case you ever lose your password. You can add or replace up to 10 email addresses. This limit includes current emails and any that have been recently removed. Complete Article Source – https://help.yahoo.com/kb/account/add-remove-account-recovery-method-sln2058.html?impressions=true Edit
Fix Yahoo Mail Account Locked Error, Error 19 And Error 999 Occasionally, issues in Yahoo Mail can cause “Yahoo Mail Temporary Error 19” or “Error 999” to appear. These errors are usually temporary and will correct themselves within 30 minutes. If the error continues, here are some common causes and suggestions for fixing “YahooError 19 Yahoo, Error 999 Yahoo, Fix Error 19, Fix Error 999, Locked Account Error Yahoo Mail, Yahoo Mail Account Locked Error
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