Gmail SMTP Conf with Rails

gmail_action_mailer_conf.yml

development:
  enable_starttls_auto:  true
  address: "smtp.gmail.com"
  port: 587
  domain:  'http://'
  authentication: plain
  user_name: "user@domain_name"
  password:  your-password

production:
  enable_starttls_auto:  true
  address: "smtp.gmail.com"
  port: 587
  domain:  'http://'
  authentication: plain
  user_name: "user@domain_name"
  password: your-password

mail_conf_loader.rb

# Load mail configuration if not in test environment
if RAILS_ENV != 'test'
  email_settings = YAML::load(File.open("#{RAILS_ROOT}/config/mailer_settings.yml"))
  ActionMailer::Base.smtp_settings = email_settings[RAILS_ENV] unless email_settings[RAILS_ENV].nil?
end

smtp_gem.rb

gem install ambethia-smtp-tls

#make dependencies

#in "#{RAILS_ROOT}/config/environment.rb" write the following
config.gem "ambethia-smtp-tls", :lib => "smtp-tls", :source => "http://gems.github.com/"