I have the same issue and after some research noticed that {product_list} results in a https link to load the thumbnail, which I am not using. Therefore the image is not loaded and Outlook stops responding while trying to load the thumbnails over and over again. Outlook isn’t smart enough to replace a missing protocol(?) and for some reason it tries to load the thumbnails over https.
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This reply was modified 7 years, 7 months ago by vapefuel.
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This reply was modified 7 years, 7 months ago by vapefuel.
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This reply was modified 7 years, 7 months ago by vapefuel.