Hello @GLDSC ,
Is it just one email program in particular that you're seeing the issue, or is it other email programs as well? Keep in mind, not all email programs and devices have access to all font types, so even if the font selection looks correct in your Previews and some test sends, it may be forced into a more generic one on other recipients' email programs and devices.
Then I'd advise calling our general support, and requesting a transfer to the Tier 2 team for custom code email support.
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