Video
Globalscape (now part of HelpSystems following its acquisition in 2021) is a well-known name in the managed file transfer (MFT) space. Their flagship product, Enhanced File Transfer (EFT) , is widely used by enterprises for secure, high-volume data exchange.
However, for nearly a decade, the term “Globalscape” appeared frequently in anti-spam forums, DNS blacklists (DNSBLs), and email administrator logs—not because the company itself was a spam operation, but because their software was often , turning legitimate MFT servers into unwitting spam relays. The Core Issue: EFT as an Open Relay Globalscape’s EFT includes a robust SMTP (email) component to send notifications, automated reports, and file-delivery alerts. When configured correctly, these emails are legitimate. But administrators sometimes left the server in a default or weakly secured state, allowing external attackers to use the server as an open SMTP relay . globalscape+spam