You should configure your Mandrill's Webhooks to point at the webhooks service. To do this go to mandrillapp.com/ and click Settings > Webhooks. In the resulting page, click on Add a Webhook, select all events, and set the URL to http://<my_ip>:1619/mandrill, and click on Create Webhook.
See the webhook doc.
All events for logs the original timestamp, the event name and the unique identifier of the message that generated the event.
Tags:
- 'event' =
event.eventstring
Fields:
- 'id' =
event._idstring