#! /usr/bin/ruby
# coding: utf-8

require 'mail'

if ARGV.size != 3
    puts "usage : \n "
    puts "     $ "+  __FILE__ + "  hogeto@exmaple.com  'test mail'  '<text file>'  "
    puts " \n\n "
    exit
end

options = { :address              => "ymobilesmtp.mail.yahoo.ne.jp",
            :port                 => 465,
            :user_name            => '<アカウント>@yahoo.ne.jp',
            :password             => '<アカウントパスワード>',
            :authentication       => 'plain',
            :ssl => true,
              }

Mail.defaults do
  delivery_method :smtp, options
end
mail = Mail.new do
  from     '<アカウント>@yahoo.ne.jp'
  to       ARGV.shift
  subject  ARGV.shift
  body     File.read(ARGV.shift)
end

mail.deliver!