OwlMail Self-Hosted Email Testing Gateway

Explore this developer service’s ongoing no-cost allowance, restrictions and official documentation before deploying.

INCLUDED FREE ALLOWANCEMIT-licensed self-hosted SMTP email capture and inspection gateway with Web UI, REST API, webhooks, WebSocket and MCP; no vendor-imposed software quota or expiry.

View official documentation

Plan details

What do these plan and deployment labels mean?

Plan: Ongoing free allowance
Deployment model: Self-hosted
Credit card: Not required
Commercial use: Allowed
Added to directory (UTC): 2026-11-04
Last checked: 2026-11-04

Important restrictions

Run locally or on your own server; provide Docker/compute/storage and any optional integrations. This is an email testing gateway, not a free hosted transactional email sending plan.

View official documentation

Independent community listing, not affiliated with the provider. Always check the latest billing policy and quotas before enabling paid usage.