deliver

# File actionmailer/lib/action_mailer/log_subscriber.rb, line 12
    def deliver(event)
      info do
        if exception = event.payload[:exception_object]
          "Failed delivery of mail #{event.payload[:message_id]} error_class=#{exception.class} error_message=#{exception.message.inspect}"
        elsif event.payload[:perform_deliveries]
          "Delivered mail #{event.payload[:message_id]} (#{event.duration.round(1)}ms)"
        else
          "Skipped delivery of mail #{event.payload[:message_id]} as `perform_deliveries` is false"
        end
      end

      debug { event.payload[:mail] }
    end