Multiple tracking pixel pop-ups

Using 9.0.549: I get an email from someone using a CRM with a tracking pixel. emClient asks if I want to download the pixel and I say no (love that feature), but then we have a back-and-forth email conversation, so each reply has an additional tracking pixel. Now when I get an email in the same chain I get four pop-ups in a row, and next reply will be 5, asking if I want to download the tracking pixel. Is there a way to reject all tracking pixels as a global setting? There isn’t a “remember this preference” or “apply to all” check box on the popup.

Suggest to email .