Mailcoach Mailcoach is a self-hosted email marketing platform. It's used by businesses and individuals who want full control over their email campaigns and subscriber data, without relying on third-party services. Official docs: https://mailcoach.app/docs Mailcoach Overview - Email List - Campaign - Link Click - Email Feedback Loop - Email Service Provider - Sending Domain - User Working with Mailcoach This skill uses the Membrane CLI to interact with Mailcoach. Membrane handles authentication and credentials refresh automatically — so you can focus on the integration logic rather than auth p…