With our spam filters you know for sure that genuine messages are delivered; no need to skim through spam folders any more. In the unlikely event of a false positive, the sender gets a helpful response with further instructions.

Our list of customers contains organizations with very high demands for security. Realizing the importance of protecting the company's intelligence. Like we protect our heads at hazardous workplaces.

Download Halon VSP for free. You'll get the commercial anti-spam and anti-virus for 30 days; enterprise-grade protection with virtually no false positives.

It's a mail gateway, available as a virtual machine (VMware, Xen or KVM) or hardware appliance. While protecting your company from e-mail bourn threats, it's also the market's most flexible SMTP routing appliance thanks to our extensive scripting language.