Legacy email infrastructure wasn’t built for now. So we rebuilt it.
Composable by design. Intelligence built in.
Fully under your control.

Composable by design
Stop letting legacy MTAs limit your potential. Halon's Composable Email Infrastructure gives you the ultimate flexibility. Define precisely how your email service should behave, from rapid custom feature deployment, granular policy logic, and streamlined delivery flows, enabled by:
- Ground-up modularity: built specifically for seamless extensibility
- Powerful, email specific DSL: extend and customize email workflows effortlessly
- Zero dependency drag: minimal external dependencies ensure unbeatable performance and complete control
- Enterprise grade reliability: backed by proactive support, comprehensive warranty, and continuous quarterly enhancements

Intelligence built in
Forget manual tuning and reactive fixes. Halon brings the full power of AI directly into your email operations, revolutionizing the game with built-in intelligence components:
- Delivery Guru: intelligent, context-aware IP/domain warmups and anomaly detection in real-time, delivering optimized performance far beyond simple scaling
- Policy Magic: AI-driven detection of sophisticated patterns, proactively managing security, compliance, and domain reputation
- Code Companion: deploy new features more than 10x faster with natural-language prompts, accelerating your deployment of infrastructure logic from weeks to hours

Block sophisticated email threats
Halon eXpurgate is a carrier-grade software solution providing industry-leading email threat detection and classification with a near-zero false positive rate. Trusted by some of the world's largest providers, it processes over one trillion emails annually across six continents.
- Inbound filtering: protecting your users from email-borne threats and keeping their inboxes clean, improving the user safety and experience
- Outbound abuse prevention: detects and handles compromised and abusive accounts to avoid blocklisting or other reputation issues, without bothering legitimate users
- World-leading accuracy and SLAs: an outstanding false-positive rate of less than one in two million emails, and generous SLAs with 24/7 support that guarantee a response from our detection team within minutes for any misclassification
- Carrier-grade: a complete, up-to-date replica of the entire threat-signature database, running on your premises, significantly increases performance and resilience while minimizing communication with Halon’s central data centers

Insights redefined
Visibility, proactivity, and total operational control aren't luxuries. They're standard with Halon. Our unified insights platform delivers absolute clarity across your entire email ecosystem.
- Real time traffic orchestration: live metrics and immediate insight at your fingertips
- Intelligent delivery tracing: pinpoint anomalies instantly, before users are impacted
- Centralized operational insights: single-pane management for streamlined email policy and workflow control
- Proactive, not reactive: anticipate issues rather than firefighting them

Effortless scaling with Cloud Path
Your infrastructure shouldn’t dictate your strategy! Halon’s Cloud Path adapts seamlessly, whether you're cloud-native, running containers, or on-premise.
- Kubernetes-native elasticity: automatically scale up and down without friction
- Cluster aware traffic management: advanced rate-limiting, precise traffic shaping, and shared operational intelligence across clusters
- Full visibility and compliance: continuous insight into performance, security, and regulatory adherence

Dynamic Email Operations, enabled
Composable Email Infrastructure, built-in intelligence, insights redefined, and Cloud Path - these are your new email superpowers. Evolve from reactive firefighting to Dynamic Email OperationsTM, where agility, precision, and speed redefine your infrastructure management which enables you to:
- Deploy powerful new features in hours, not weeks
- Spot and resolve problems proactively, before they become issues
- Transform your email operations into a core competitive advantage
The building blocks of Composable Email Infrastructure
Delivery Guru
Code Companion
Delivery Insights
Command & Control
Drive growth by rapidly meeting client demand with our low-code policy language. Ready-made components and modern DevOps methodologies enable 10x faster development than any other email platform.
eXpurgate Inbound
eXpurgate Outbound
Cloud Path
Effortlessly scalable, cloud-native infrastructure with seamless integration and full compliance. Scales instances both up and down quickly and reliably, and synchronize traffic shaping with a near-zero performance impact.
Ultra IO
Don’t let high-traffic peaks cause interruptions. Effortlessly handle tens of thousands of concurrent connections per instance. Ultra IO will reduce email delays, enhance your segmentation capabilities, provide unmatched throughput, and allows you to create unique experiences and strong integrations without having to worry about latency impacting performance.
Sender Shield
Connect
Mission Control
RampUp Guard
Time-of-click protection
Email is evolving. So is your business.
With Halon, you’re no longer reacting to change - you’re orchestrating it.