https://ccm.net/forum/affich-1026890-invalid-security-email-for-yahoo-to-send-verification-code
Invalid security email for yahoo to send verification code - Yahoo Mail Forum
I have a yahoo email account that now has an invalid email address setup in the security for validating who I am - I never added a phone number since when I...
send verification codeinvalidsecurityemailyahoo
https://h-o-m-e.org/can-you-send-apple-id-verification-code-to-email/
Can you send Apple ID verification code to email?
Unfortunately, it is not currently possible to send Apple ID verification codes to an email address. Apple uses two-factor authentication as an added layer of
apple idverification codesendemail