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.
MailStream - Tool - OpenSmartRoute
Toolv1.0.0
MailStream
The first MCP server for physical mail: send postcards and letters, manage lists and campaigns.