RustMail

What it does

Catch and inspect outbound email from dev and CI. Single binary, nothing to install. Self-hosted, open source.

Catch and inspect outbound email from your dev and test environments. Nothing gets delivered — everything lands in a local web UI instead. Single binary, nothing to install. SQLite-backed by default. Ephemeral mode for throwaway CI runs. FTS5 full-text search across subject, body, sender, and recipients. WebSocket push. Dark mode. Keyboard shortcuts. Instant delivery. REST assertions, CLI assert mode, and a GitHub Action for your pipeline. Frontend embedded at compile time. One binary, zero runtime dependencies. Full API spec. Export emails, release to SMTP, webhook notifications. A UI that doesn't suck. Dark mode, keyboard shortcuts, real-time updates. Open source, dual-licensed (MIT…from rustmail.app

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