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Solutions
BY INDUSTRY
Regulated & Public Sector
Protect sensitive email operations with granular policy enforcement and full auditability
Email Service Providers & Martech
Scale high-volume delivery for every sender you serve, with greater reliability and speed
Cloud Email Security Providers
Bring better protection, smarter policies and faster innovation to your security suite
Mailbox Providers, Telcos & ISPs
Protect every client inbox at scale, with granular policies and real-time threat detection
Hosting Providers
Secure inbound email for every hosted customer, with per-individual policy control
Brands & Enterprises
Send high-volume customer emails with full control and delivery visibility
BY USE CASE
Centralize SMTP Relay
Route email from every app and device through one secure, authenticated layer
Modernize Your Sending MTA
Move off PowerMTA or Momentum, and get more control, visibility, and scale, with no downtime
Move Beyond Your Cloud Email API
Bring email delivery in-house for full control and real-time visibility
Accurate Threat Detection at Scale
Give your cloud email security platform consistent multi-tenant detection, with fewer false positives
Streamline Email Security Infrastructure
For cloud email security providers, simplify a fragmented stack to cut overhead and innovate faster
COMPARE HALON
Halon vs Cloud Email APIs
Get more control, visibility, and ownership over email delivery
Halon vs PowerMTA
Replace an aging MTA with a modern email delivery infrastructure
Halon vs Momentum
Switch to an actively developed email delivery solution with dedicated support
Halon vs Vade Secure
Detect threats with near-zero false positives and have full control over your data
How can we help?
Sending at scale, securing email, or detecting threats? Halon gives you the composable email infrastructure to take control
Get in touch
Products
EMAIL DELIVERY
Email infrastructure for high-volume senders
Halon Engage
High-performance email delivery engine with full control and built-in intelligence that keeps email flowing
EMAIL SECURITY
Email security infrastructure & threat detection
Halon Protect
Carrier-grade email gateway, protecting against incoming threats, and outgoing abuse with granular policy control
Halon Classify
Real-time threat detection built on a powerful intelligence engine, deployed alongside Halon Protect or standalone
How can we help?
Replacing an existing MTA
Sending at high volume
Scaling transactional email
Detecting spam, phishing or malware
Enforcing security policies
Preventing outbound abuse
Looking for SMTP relay
These are just some of the problems we solve.
Tell us about your email needs, and we’ll work with you to find the right solution.
Get in touch
Technology
Clients
CLIENT CASE STUDIES
KPN
Discover how KPN accelerated time-to-market with Halon
group.one
Learn how group.one reduced email operating costs by up to 70% with Halon
Netcore Cloud
Discover how Netcore Cloud replaced PowerMTA with Halon to power 20 billion emails a month
Constant Contact
Find out why Constant Contact chose Halon Engage to ensure scalability, efficiency, and email deliverability
All case studies
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WHAT OUR CLIENTS SAY
NPS 75
Discover the top 15 reasons why our customers love Halon
Discover how our clients benefit with Halon
Explore real-world results from clients using Halon Engage, Halon Protect, and Halon Classify
View all case studies
Resources
LEARN
Blog
Stay up to date with the latest news and expert insights in email infrastructure and security
GitHub
Explore our extensive library of ready-made modules, plugins and integrations to extend Halon’s capabilities
Glossaries
The terminology behind modern email infrastructure, spam filtering, security, and deliverability
Guides & Reports
Seven operational tests for your email infrastructure
Nine shifts changing email operations for receivers
TECHNICAL HELP
Documentation
Technical manuals, how-to articles and scripting references to configure, customize and manage your email infrastructure
Support
Get technical help from our support team
Latest from the blog
All posts
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Company
GET TO KNOW US
About
Learn about Halon, our mission, and expertise
Why Halon
See why leading email teams choose Halon
Discover Dynamic Email Operations™
See how modern email operations should work
Partners
Explore Halon’s trusted technology and solution partners
WORK WITH US
Careers
Join the team shaping composable email infrastructure
One trillion emails a year, 525 years of email expertise
Trusted by leading service providers and enterprises, including Microsoft, SAP, IONOS, Netcore Cloud, group.one, Zendesk, and many more.
Talk to an expert
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