If you don’t want to disable click tracking for all mail in your Mandrill account you can also add the following option to your discourse setting for email custom headers
X-MC-Track:opens
The detail on the header options can be found here:
If you don’t want to disable click tracking for all mail in your Mandrill account you can also add the following option to your discourse setting for email custom headers
X-MC-Track:opens
The detail on the header options can be found here: