Unfortunately, Messenger Has ended by april of 2013, and cannot be acessed officially by the normal servers. you can try skype out, and try other alternatives; yet there is still a option, using Escargot.

     Whats Escargot? escargot is a open source

MSNP server for msn 1 to 8.5 (Windows Live Messenger) and lets you use Messenger once again. Link to Escargot:  https://escargot.log1p.xyz/