config.action_mailer.delivery_method = :smtp
  config.action_mailer.raise_delivery_errors = false
  config.action_mailer.smtp_settings = {
    address: Settings.smtp.address,
    port: Settings.smtp.port,
    enable_starttls_auto: Settings.smtp.enable_starttls_auto,
    user_name: Settings.smtp.user_name,
    password: Settings.smtp.password,
    authentication: Settings.smtp.authentication
  }