# @beenvoice/email Server-only email transport shared by Beenvoice delivery paths. - `EMAIL_PROVIDER=mailpit` uses local SMTP and is rejected in production. - `EMAIL_PROVIDER=smtp` uses any configured SMTP-compatible provider. - `EMAIL_PROVIDER=resend` uses the Resend HTTP API and supports idempotency keys. Local development defaults to Mailpit at `127.0.0.1:1028`; its web UI is at `http://localhost:8028`. Start it with the web development dependencies and send a representative message with a PDF attachment: ```bash bun run --filter @beenvoice/web docker:up bun run email:preview ```