GONG

      ActionMailer::Base.smtp_settings = {
        address:              ENV['SMTP_HOSTNAME'],
        port:                 ENV['SMTP_PORT']||25,
        domain:               ENV['SMTP_DOMAIN'],
        user_name:            ENV['SMTP_USERNAME'],
        password:             ENV['SMTP_PASSWORD'],
        authentication:       ENV['SMTP_AUTHTYPE']||'plain',
        enable_starttls_auto: false
      }