Mass-mail 200 Hausverwaltungen, triage every reply in one CRM, and let Claude sort the offers from the rejections. Built on a reusable Python email engine — the same core powers any "send → wait → reply → triage" workflow.
Self-hosted on Hetzner VPS · Next.js + FastAPI + Postgres + Redis · Traefik-fronted.
Connect SMTP + IMAP with one connection-test click
Upload a CSV of Berlin Hausverwaltungen
Compose a Jinja2-templated Wohnungsanfrage
Launch with paced delays — arq worker sends in the background
Watch replies drop into threads, labelled by Claude
Send personalized outreach from your own mailbox with jittered delays so you never trip spam filters.
Replies land in the same thread they came from. Star, rank, add notes, reply — no more hunting across folders.
Bring your own Anthropic key. First replies get classified as offer / rejection / needs-info automatically.
SMTP + IMAP passwords are Fernet-encrypted at rest. The master key never leaves your server's environment.
Opt-in tracking pixel, autoresponder detection, and duplicate-recipient guard out of the box.
Run it for yourself on a Hetzner VPS, or stand up admin-curated recipient catalogues for your team.