How to Ignore Users Who Are Not Contacts on Mobile
To ignore someone who is not on your Messenger List:
- Tap the menu button on your device while you are signed into Yahoo Messenger.
- Tap the Options menu.
- Check the box for Blocked List.
- Tap Yes.
NOTE: Users who are not on your Messenger List will not be able to send you messages when you have selected this preference, however you will still be able to get Friend requests from other users.