Servers:
scs.msg.yahoo.com
scsa.msg.yahoo.com
scsb.msg.yahoo.com
scsc.msg.yahoo.com
Port: 20, 23, 25, 80, 119, 5050, 8001, 8002

Webcam Connection:
Protocol: TCP
Server: webcam.yahoo.com
Port: 5100
Continue Reading Yahoo Messenger Port List