deliver

# File actionmailer/lib/action_mailer/deprecated_api.rb, line 35
      def deliver(mail, show_warning=true)
        if show_warning
          ActiveSupport::Deprecation.warn "#{self}.deliver is deprecated, call " <<
            "deliver in the mailer instance instead", caller[0,2]
        end

        raise "no mail object available for delivery!" unless mail
        wrap_delivery_behavior(mail)
        mail.deliver
        mail
      end