Tom once my ISP blocked my MSN and I just changed the port by clicking the Tools Menu on the MSN Messenger, click on Options, choose the Connection tab ....
IMPORTANT: Copy all the current settings first before altering anything for easy roll back
Then click on
I use a proxy server (Depends on how thw settings are - Choose SOCKS Version 5 and set a high number port eg 3190 or something then give it a try.
NOTE:
Your firewall might raise all sorts of alarms at this point. And again this port might be closed at your ISP
PS/ Feel free to use any number of
