Halon MTA is a Mail Transfer Agent (MTA) designed for businesses that require scalable and secure email infrastructure. It provides a full-stack toolbox with its own scripting language, enabling developers to build and customize email processing pipelines with reduced code complexity. Key capabilities include: - A custom scripting language that allows flexible, programmable email handling logic - Container-native architecture with support for Kubernetes and Docker, enabling deployment in orchestrated and cloud environments - Multi-tier threat protection covering spam, phishing, virus, and ransomware detection via integrated third-party content filters - Email authentication and encryption support aligned with best-practice security standards - Virtual queue management with granular throttling for rate and concurrency control, along with flexible delivery policies The MTA is agnostic in design, meaning it can integrate with content filtering providers of the operator's choice. It is positioned for use by email service providers, hosting companies, and telecommunications operators that manage high-volume email infrastructure. Customers include KPN (Netherlands), One.com (European hosting provider), and DuoCircle (US-based email services company).