In this case, if your Gmail is not showing any emails then there is no need to worry, there are many reasons behind that email not showing up in Gmail accounts, You can solve your problem with a few fixes. Firstly you need to delete email filters because emails filters redirecting email to another folder, check your Gmail storage quota, full Gmail storage Quota is also causes that your Gmail not receiving any emails, and turn off email forwarding of your Gmail account. After that you can fix your Gmail issue.
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