I have created a new Google account using an existing email (that has a custom domain). Upon my first login, I was greeted with the following page for supposed unusual activity:
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I have tried over 10 mobile numbers from over 4 countries, and they all returned some error, most common of which is: 'This phone number cannot be used for verification'.
I have also tried using a VPN, and temporary phone numbers to no avail.
How can I get past this verification step?