You can enable or disable open and click tracking for emails.
 
Navigate to Sub-account Settings - Email Service -> SMTP Service -> Dedicated Domain and IP -> Domain settings under dedicated domain.

Open Tracking:

Enabled by Default: Open tracking is now enabled by default for all outgoing emails.
How to Disable: You can now choose to disable open tracking for specific domain by adjusting the tracking in the dedicated sending domain tracking settings.

Click Tracking:

Enabled by Default: Click tracking is also enabled by default for all outgoing emails.
How to Disable: You can now choose to disable click tracking for specific domain by adjusting the tracking in the dedicated sending domain tracking settings.

Here's how to access this Feature:

Navigate to Sub-account Settings - Email Service -> SMTP Service -> Dedicated Domain and IP -> Domain settings under dedicated domain.