OwlMail

Self-hosted email testing gateway that captures and inspects app email for dev and CI.

PlatformWebfreeglobal

OwlMail is a self-hosted email testing gateway that captures application email before it reaches a real inbox, turning it into inspectable test data for developers, CI pipelines, and AI coding agents. It offers a web UI, a versioned REST and WebSocket API, signed webhooks, and a read-only MCP interface, with compatibility facades for MailDev and MailCatcher workflows. It suits teams that want to verify transactional email in development and CI without real delivery.

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