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https://hilfan.staff.telkomuniversity.ac.id/en/english-starting-february-15-2021-g-suite-accounts-will-only-allow-access-to-apps-using-oauth-password-based-access-will-no-longer-be-supported/
Starting February 15, 2021, G Suite accounts will only allow access to apps using OAuth. Password-based access will no longer be supported