Legacy email infrastructure wasn’t built for now. So we rebuilt it.

Composable by design. Intelligence built in.
Fully under your control.

Experience the future Talk to a Halon expert

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 Operations^TM, 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

Our intelligent engine proactively optimizes delivery, detects anomalies early, and provides actionable recommendations to maximize email delivery. Deliver with confidence.

Code Companion

The Halon component that implements unique security logic, custom filters, or respond to zero-day threats up to 10x faster using our powerful, AI-assisted scripting engine designed for email. Adapt in real-time.

Delivery Insights

Granular, actionable analytics empower your team to instantly diagnose and resolve delivery challenges. See everything, instantly.

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

Industry-leading email threat detection and classification with a near-zero false positive rate (one in two million), delivering the highest level of protection against new spam, phishing, and malware outbreaks.

eXpurgate Outbound

Effectively handle compromised and abusive accounts to avoid blocklisting, without bothering legitimate users by combining clustered rate limits, suspect spam ratio, delivery failure rate, queue size growth, etc, per tenant, user or website.

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

Stay compliant with evolving email standards and quickly resolve issues with Sender Shield. Protect your infrastructure's reputation today and be ready for the email challenges of tomorrow.

Connect

Eliminate platform limitations with access to a wide range of streamlined integrations to applications and databases. Connect offers unlimited extensibility and integration capabilities like no other platform.

Mission Control

Go beyond basic support. Our email security experts work proactively with you to optimize your stack and ensure ongoing success, 24/7. Your mission is our mission.

RampUp Guard

Limit initial volumes for unknown domains or IP addresses; hold back known sources with sudden, significant increases in volume; and prioritize well-known, important sources during peaks.

Time-of-click protection

We scan every link at the moment you click it. This keeps you safe from malicious websites, even if the website linked was changed to be dangerous after the email was delivered.

Email is evolving. So is your business.

With Halon, you’re no longer reacting to change - you’re orchestrating it.

Experience the future now

Dive into the documentation

Explore our knowledge base, script reference and case studies to deep dive into the technical specifications, system requirements, best practices and to hear from our customers.

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Case studies

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