Emails from [email protected] blocked (DMARC and DKIM status)

Emails from [email protected] (which is a pretty well known and trustworthy retailer in the UK) are giving Error and are not being forwarded:

Is there anything on my side I can do? I seriously doubt that I’d be able to reach out to the right people buried in their tech dept, let alone find anyone to understand this.

Some way to allowlist this email address?