# File lib/nxt_comm.rb, line 464
  def message_write(inbox,message)
    cmd = []
    cmd << inbox - 1
    cmd << message.size + 1
    message.each_byte do |b|
      cmd << b
    end
    result = send_and_receive @@op_codes["message_write"], cmd
    result = true if result == ""
    result
  end