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.
Proton Mail (unofficial) - Tool - OpenSmartRoute
Toolv1.0.2
Proton Mail (unofficial)
Unofficial Proton Mail MCP — send, read, search & organize email over SMTP and IMAP