To opt-out of receiving messages from users who are not your friends:
1. Select the Profile icon
2. Tap settings. The gear icon at the top right corner of the screen.
3. Select Privacy & Messaging
4. Set Direct Messages to "Only Friends"
More in “Controlling your visibility”
- Who can see my stats?
- I don't want My Profile to appear on the post meditation screen.
- I don't want to send or receive Thank you messages.
- I don't want to receive messages from users I don't know.
- I don't want to receive Friend Requests.
- I don't want people to see what i'm listening to.
- I only want my friends to see my activity.