email.rb

require 'mail'

args = ARGV
user = args[0]
pass = args[1]

options = { :address              => "smtp.gmail.com",
            :port                 => 587,
            :user_name            => user,
            :password             => pass,
            :authentication       => 'plain',
            :enable_starttls_auto => true  }

Mail.defaults do
  delivery_method :smtp, options
end

to = 
Mail.deliver do
       to user
     from user
  subject 'This is a Test'
     body 'This is a test to determine if mail can be sent'
end