How to stop Fastmail training AI on your data
What the policy itself says, plan by plan. Where Fastmail publishes the steps, they're here in its own words, read from an archived copy of the page that gives them. Where it doesn't, this page says so instead of inventing a menu path.
All plans
Nothing to switch off: Fastmail's policy says training is off here.
"Fastmail does not and has never trained AI on customer data."
Did a step here not work, or does Fastmail offer a control this page doesn't mention? Tell us and we'll correct it.