You have been automatically OPTED IN to allow Gmail to access all your private messages & attachments to train AI models

For the record, 

“IMPORTANT message for everyone using Gmail. You have been automatically OPTED IN to allow Gmail to access all your private messages & attachments to train AI models,” Engineer Dave Jones shared on X   on Nov 19, 2025. 

However, Google refutes this stating "Enabling the feature in Workspace says that “you agree to let Google Workspace use your Workspace content and activity to personalize your experience across Workspace,” according to the settings page, but according to Google, that does not mean handing over the content of your emails to use for AI training."

Google denies ‘misleading’ reports of Gmail using your emails to train AI | The Verge

“You have to manually turn off Smart Features in the Setting menu in TWO locations.”
Engineer Dave Jones shared on X   on Nov 19, 2025. 

Manage Workspace smart feature settings opens this page

and Learn more about these smart features opens this help page 

Learn about smart features & controls for Google Workspace & other Google products - Computer - Gmail Help