Hi - I answer from the OpenSmartRoute documentation: routing, the API, plans and quotas, self-hosting. Ask away, or open a support ticket if you need a person.
Grounded in the docs - follow a source before acting on it.
smbCloud Mail & Auth - Tool - OpenSmartRoute
Toolv0.5.2
smbCloud Mail & Auth
Email infrastructure and authentication for developers: domains, inbox routes, auth apps, deploys.