🚀 Journey of Magic SMTP
After launching Magic SMTP v1.5 — the first automated email infrastructure with PMTA and massive features — we made remarkable sales and strong adoption.
Since then, we’ve grown to v2.0… and now v2.5 is coming very soon with even more groundbreaking innovations.
The Future of Email Delivery — KumoMTA Inside Magic SMTP
Powerful SMTP management made simple. With KumoMTA, you get the best of power, security, and freedom — all managed in a clean, safe UI.
Get Early Access Updates
Be the first to know when Magic SMTP v2.5 (with KumoMTA) goes live. No spam—just release updates and early-access perks.
You’ll receive a quick confirmation email. Unsubscribe anytime.
🌟 Did you know? One of the world’s biggest email service providers has already migrated to KumoMTA.
Click here to read the full story about AWeber’s migration →
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Why Choose Magic SMTP v2.5 with KumoMTA?
See how we stack up against the competition
| Feature | Magic SMTP v2.5 + KumoMTA | PowerMTA | Postfix | SendGrid |
|---|---|---|---|---|
| License Cost | $2,999 Yearly Unlimited | $1,670/month | Free | $89.95+/month |
| Web-Based Management | ✅ Full GUI | ❌ CLI Only | ❌ CLI Only | ✅ Limited |
| Real-time Monitoring | ✅ Live Dashboard | ❌ Basic Logs | ❌ Manual Setup | ✅ Basic |
| IP Pool Management | ✅ One-Click | ⚠️ Manual Config | ❌ Complex Setup | ❌ No Control |
| Domain Throttling | ✅ Automated Rules | ⚠️ Manual Only | ❌ Limited | ❌ No Control |
| DKIM Management | ✅ Visual Editor | ⚠️ Config Files | ⚠️ Manual Setup | ✅ Managed |
| Data Ownership | ✅ Your Server | ✅ Your Server | ✅ Your Server | ❌ Third Party |
| Total 5-Year Cost | $14,995 | $100,200+ | $0 + Time | $5,397+ |
Why KumoMTA is a Game-Changer
• KumoMTA is open, free, and community-driven, yet built to enterprise standards.
• Stronger security is baked in — authentication, policy validation, and modern encryption options out of the box.
• Unlike legacy systems, you don’t pay licensing fees — you scale freely with your business.
• While PowerMTA has long been the industry benchmark, KumoMTA has surpassed it in flexibility and scalability.
• Built for modern multi-core servers and cloud environments, KumoMTA is engineered to process huge volumes with ease.
• Already trusted by major ESPs — even AWeber has migrated their infrastructure to KumoMTA.
• Real-time monitoring: see live connections, deliveries, deferrals, bounces, and queues — without touching the server.
• One-click pool & source management: create IP pools, assign EHLO domains, and rotate IPs intelligently.
• Per-domain throttling & automation: fine-tune Gmail, Outlook, Yahoo, and more with rules that adapt instantly.
• DKIM & Auth management: manage signing keys and SMTP users mapped to pools with ease.
• Safe policy editing: adjust configs with automatic backup, staging, validation, and rollback.
• Zero license costs → unlike PMTA, you scale without paying per-instance fees.
• Better deliverability → adaptive throttling and automation rules help you land in inboxes, not spam.
• Confidence & precision → everything is manageable via Magic SMTP’s clean UI, with built-in safety nets.
• Future-proof → KumoMTA is built for today’s and tomorrow’s sending needs, not yesterday’s.
PowerMTA proved what’s possible.
KumoMTA takes it further — faster, smarter, more secure, and free.
And with Magic SMTP, you don’t need to be an expert in Lua or TOML — you get enterprise-grade power with simple, safe, beautiful controls.
Currently in development: KumoMTA modules are being integrated into Magic SMTP and will be officially released in Magic SMTP v2.5.
Take control of your email infrastructure with the most powerful and secure MTA available today — managed with the simplicity only Magic SMTP provides.
For 15 years, Postfix & PowerMTA have been the backbone for marketing email delivery. But many have wished for something more flexible and user‑friendly. That’s where KumoMTA comes in.
KumoMTA is a new solution for a high‑volume, high‑performance, on‑premise email sending platform. Built with a modern architecture mindset — blending Rust and Lua — it delivers both blazing speed and deep configurability.
⚠️ Fun fact: This project started gaining traction in December 2023 and is still evolving rapidly. It’s the kind of open‑source innovation that makes pricey big‑name products (looking at you, PowerMTA 😅) sweat bullets.
Core Features
- Lua as a configuration language
- Delivery to SMTP and HTTP
- Events and metrics export
- Extensive documentation and tutorials
First, What is an MTA?
An MTA (Mail Transfer Agent) is the backbone of email transport. Think of it as the mailman of the Internet:
- Performance: MTAs handle huge email volumes quickly and efficiently.
- Managing Delivery Queues: undeliverable emails are queued and retried automatically.
- Adapting to ESP Policies: MTAs throttle delivery to comply with Gmail, Outlook, Yahoo, and others — reducing spam flags.
- Security & Compliance: encryption, authentication, and modern protections help keep inboxes safe.
In essence, an MTA is more than just a mail forwarder — it’s a performance engine + compliance layer that ensures your marketing emails actually reach inboxes. With new requirements (like Gmail’s 2025 spam protections), this is more important than ever.
Get Early Access
We're putting the final touches on the KumoMTA module for Magic SMTP v2.5. Secure your spot now and be among the first to deploy.
Yearly unlimited license — $2,999
Pre‑Order Magic SMTP v2.5No risk: if you change your mind before launch, we'll convert your credit to other Magic SMTP services.
💡 Want to see how powerful Magic SMTP truly is — and how we’ve simplified email infrastructure management for you?
Click here to explore the full story →
FAQs
Yes. KumoMTA is free to use, so you can scale without licensing overhead.
Yes. Magic SMTP supports PMTA and KumoMTA. Choose what fits your workflow — or run both.
No. Magic SMTP provides visual editors, safe deploys, and real‑time monitoring inside your panel.
We’re in the final stretch. Early‑access customers will be notified first.
What Customers Say
Real stories from beta senders who simplified infrastructure and scaled safely.
Get Early Access Updates
Be the first to know when Magic SMTP v2.5 (with KumoMTA) goes live. No spam—just release updates and early-access perks.
You’ll receive a quick confirmation email. Unsubscribe anytime.