PostMTA vs PowerMTA: Enterprise MTA Compared
PowerMTA is the legacy enterprise standard. PostMTA is the modern replacement. Here's the honest comparison.
Pricing
| PowerMTA | PostMTA | |
|---|---|---|
| License | $7,500+/year | Contact us |
| Setup | $5,000+ professional | Included |
| Support | Expensive tiers | Dedicated CSM |
| Updates | Extra cost | Included |
PowerMTA's hidden costs add up fast.
Technical Comparison
Both handle millions of emails. Both support advanced bounce processing. But:
- PostMTA: REST API, modern dashboard, Docker/K8s native
- PowerMTA: Config files, third-party monitoring, legacy architecture
Why Enterprises Switch to PostMTA
- Modern infrastructure — Kubernetes-native, Prometheus metrics
- Better support — Dedicated engineer, not a ticket queue
- Easier ops — Web UI vs config file management
- Open-source foundation — KumoMTA means community-driven development
The Bottom Line
If you're paying $7.5K+/year for PowerMTA and managing it with config files, you owe it to your team to see what PostMTA offers.
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