Gmail – Service Details
On Google Workspace Known Issues page, they mentioned, We’re aware of a problem with Gmail affecting a majority of users. The affected users are unable to access Gmail. We will provide an update by 12/14/20, 4:12 PM detailing when we expect to resolve the problem. Please note that this resolution time is an estimate and may change
Follow this link for more details
https://www.google.com/appsstatus
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