Signing in mail when traveling will lock me out
I know security is important, but I also know am controlling my own device. It is really frustrated when I wanted to login my email to retrieve my hotel booking information but it said I have to wait for an hour. Then I even need to provide a security sending to my another email???? It's lucky that I can login another email for the security code, otherwise I don't know what it will become...
I suggest you may ask geographic memory for the person signing in his/her own email, rather than that dead-end option.
Thank you for letting me have my voice on it.

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If you're having account or sign-in issues, please contact our Customer Care team at help.yahoo.com. They are separate from the Yahoo Mail team. They resolve these types of issues and have the tools to help. Hope this helps. Thanks!