Please know that Ignoring people will not block incoming "add to contact listMessenger 11.5 | Messenger 11 | Messenger 10 and earlier

button in the Chat window. Method 2: Block the contact from chat using the Messenger Options menu<...

When you remove someone from your Ignore List, you'll need to also add them as a contactMessenger 11.5 | Messenger 11 | Messenger 10 and earlier

When you're signed in to Yahoo! Messenger, you might occasionally receive spam or unwanted messages from people you never want to communicate with. This video shows you how to permanently ignoreMessenger 11.5 | Messenger 11 | Messenger 10 and earlier | Tutorial

This article explains how to block a contact from sending instant messages to your mobile phone as text messages.

Messenger and Yahoo! Mail you can send SMS text messages to someone on their mobile device if they have a Yahoo! account.

Please note that using settings such as " Ignore anyone who is not in my Yahoo! Contacts"

You'll need to ask your contact if they use any aliases, and if so, what those aliases are. Your contact can see a list of their aliases on the Manage Your Yahoo! Identities page. To check yourMessenger 11.5 | Messenger 11 | Messenger 10 and earlier

Remove the contact from your Messenger List Ignore the contact Please Remember:

The recipient may have their preferences configured to ignore messages from people not in their Contact List .Messenger 11.5 | Messenger 11 | Messenger 10 and earlier