function zssh_mail_pubkey2()
{
  [[ -n $zssh_host ]] || return 63
  ssh_node="$1"
  if ! [[ "$(zssh_node_info ${ssh_node} -k)" -ot "$(zssh_node_info ${ssh_node} -M ${zssh_host})" ]]
  then 
    zshlibs_ensure -d "$(zssh_node_info ${ssh_node} -K)"
    zshlibs_log zssh_client "sending '$(zssh_node_info ${ssh_node} -k) to '$(zssh_node_info ${ssh_node} -M ${zssh_host})'"
    cp -T "$(zssh_node_info ${ssh_node} -k)" "$(zssh_node_info ${ssh_node} -M ${zssh_host})"
  else
    zshlibs_log zssh_client "'$(zssh_node_info ${ssh_node} -M ${zssh_host})' already mailed"
  fi
}