mailer on ruby

rubymailer.rb

require 'rubygems'
require 'net/smtp'

def sendMail
    from = 'from@example.com'
    to = 'to@example.in'
    message = <<MESSAGE
From: Name of the Sender <#{from}>
To: Name of the recepient <#{to}>
MIME-Version: 1.0
Content-type: text/html
Subject: testing my SMTP script
MESSAGE
    Net::SMTP.start('localhost',25) do |smtp|
        smtp.send_message [message, "testing my script"].join("\r\n"),from,to
    end
end

sendMail