User guide

API reference


Tracking opens per message stream

Note: Open tracking is only available in transactional message streams.

Using the Postmark website #

When logged into Postmark select the server, click on the message stream, and go to the “Settings” tab. There you can enable open tracking for that message stream.

Enable Postmark Open Tracking

Once enabled, all outbound HTML emails being sent through this message stream will track all opens.

Using the REST API #

Enable with the Server API

You can modify the TrackOpens field for a specific server's message stream using the Server API to edit an existing server.

Enable with the account-based Servers API

You can modify the TrackOpens field using the Servers API to edit existing servers. You can also use the Servers API to create servers and set the TrackOpens field at the same time.