It looks like this actually was escalated to CloudLinux because it was an Imunify issue and they replied with this:
so that seems like a good resolution. Is that not what you expected? I don't see a reply after that on the ticket, so I'm wondering if you didn't receive that.
Code:
This is to let you know that we have heard from the malware analysts team, and it's been advised that absolute-email.net was flagged due to the blacklisted domain yourbusiness.com being present in the dummy text on the site, as per the screenshot below: