def send_message(user_id, user_name, user_info, subject, body):
  send_mail(subject, body, settings.SERVER_EMAIL, ["%s <%s>" % (user_name, user_id)], fail_silently=False)
send email to yahoo user, user_id is email for yahoo and other openID logins.
dataset/ETHPy150Open benadida/helios-server/helios_auth/auth_systems/yahoo.py/send_message