More efficient than Stealth Settings , pe Yahoo! Messenger If you want to be left alone (not to receive messages from an ID), it is OPTION through which you can reduce a ID to silence. Ignore.
HOWTO.
Messenger (from toolbar) — > Preferences — > Ignore List (Category) – Check the option “Ignore only the people below” — > Click on the button ADD — > Write idthe to be ignored and Select the chat version used by him. — > Click pe Ignore — > Apply — > OK .

Quiet …
 
			