It is highly recommended that you avoid downloading software executables from third-party "freeware" or "warez" sites. These links are often modified to include malware, trojans, or ransomware that can compromise your print network.
Go to → Look for any connection string containing :728 . Remove or update it. printshop mail suite 728 link
Old versions of PrintShop Mail (pre-2015) had “Link Modules” for SAP, Oracle, or PIM systems. “728” could be a plugin ID. It is highly recommended that you avoid downloading
If you’re searching for “728 link” in a web context, it might be a to a PrintShop Mail WebDirect print job or API endpoint. Example: http://yourserver:728/weblink/job?id=123 Remove or update it
Sometimes the "link" is actually fine, but the preview cache is corrupted. PrintShop Mail tries to render a record that no longer exists in the dataset, fails, and reports a 728 error.