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description: Optimize KumoMTA for high-performance sending with this chapter on architecture, Linux tuning, DNS, performance testing, message flows, and log hooks.
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# KumoMTA Performance Optimization

KumoMTA is designed for high-performance sending environments and is architected to allow for significant performance tuning.

This chapter will cover the following:

* [Architecture](./architecture.md) - Architecting for performance and scalability.
* [Linux Tuning](./linuxtuning.md) - Linux tuning for performance.
* [DNS](./dns.md) - The impact of DNS on MTA performance.
* [Performance Testing](./testing.md) - How to test KumoMTA for tuning and performance.
* [Message Flows](./messageflow.md) - Understanding message flows and resource usage in KumoMTA.
* [Log Hooks](./loghooks.md) - The impact of webhooks and other alternative log delivery methods.
