The Gmail database is not congested, and Google is not asking users to confirm that their accounts are still active. But, it seems that scammers are hoping that you might believe thats true, according to one of the latest phishing attacks that has been spammed across the net. Google will be shutting down all unused accounts before on the 30th of June. You will have to re-confirm your account as soon as possible to enable us upgrade your account before the deadline date.”]
Source: https://grahamcluley.com/phishers-exploit-google-docs-gmail-deactivation-alert/