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NitroMTA

The open-source Amazon SES replacement

Launch date · UTC
2026-11-05
Domain
nitromta.com
Domain ending
.com
Category
—

About this product

Nitrosend's mail delivery engine, open sourced. NitroMTA is a self-hosted engine that speaks the Amazon SES v2 API: keep your SES code, change the endpoint, and send from your own IPs and domains. New IPs warm up receiver by receiver, and nitromta doctor checks every DNS record a receiver looks at. In our published benchmark, on the same AWS bare-metal server with every message on disk before it was accepted, it sustained 3.16× KumoMTA's throughput and 4.11× Postfix's. Rust, Apache-2.0.