gistfile1.rb

Mail.defaults do
  delivery_method :smtp, :user_name => ENV['MAIL_ADDRESS'],
                         :password  => ENV['MAIL_PASSWORD'],
                         :address   => 'smtp.gmail.com',
                         :port      => 587
end

Mail.deliver do
  from ENV['MAIL_ADDRESS']
  to ENV['MAIL_ADDRESS_TO']
  subject "Alarm"
  body 'Awesome!'
end