HOw to solve the below issue; and am not able to update please help

service.FAILURE: system failure: Unable to connect to mail store: DataSource: { id=cb121548-5baf-4852-b952-680e1f30ec5f, type=live, isEnabled=true, name=irshad, host=www.hotmail.com, port=80, connectionType=cleartext, username=irshad@hotmail.com, folderId=1 }