80 lines
4.0 KiB
Plaintext
80 lines
4.0 KiB
Plaintext
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# ============================================================================
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# tailwart — operator configuration (Tailscale × Stalwart)
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# ============================================================================
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# Copy to .env and fill in. The mailbox stack (docker-compose.yml) and the
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# edge proxy (caddy/docker-compose.yml) both read their values from here.
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#
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# Design: Stalwart runs as a Tailscale sidecar with NO WAN presence. A
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# layer-4 (TCP) Caddy proxy on a public-IP host pipes the raw mail ports to it
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# over the tailnet. The proxy can live on a DIFFERENT machine than the mailbox
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# — that's the whole point. See CLAUDE.md.
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# ============================================================================
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# ----------------------------------------------------------------------------
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# Tailscale — same OAuth client as the rest of the tailnet
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# ----------------------------------------------------------------------------
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# Sidecar advertises tag:stalwart. Assign that tag to the OAuth client on both
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# the Devices/Core and Keys/AuthKeys scopes, or node creation 403s at boot.
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TS_OAUTH_CLIENT_SECRET=
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TS_TAILNET=tailfe8c.ts.net
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# MagicDNS hostname for the Stalwart sidecar → reachable at
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# ${STALWART_MAGIC_NAME}.${TS_TAILNET} over the tailnet.
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STALWART_MAGIC_NAME=stalwart
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# ----------------------------------------------------------------------------
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# Mail identity
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# ----------------------------------------------------------------------------
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# The domain you send/receive for, and the public MX/hostname clients connect
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# to (its A record points at the EDGE PROXY's public IP, not the mailbox).
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STALWART_DOMAIN=infinidim.net
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STALWART_HOSTNAME=mail.infinidim.net
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# Initial admin password for the Stalwart web console (first boot only).
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# Generate: openssl rand -base64 24
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STALWART_FALLBACK_ADMIN_SECRET=
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# ----------------------------------------------------------------------------
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# Over-engineering, part 1/3 — Postgres (shared instance on the tailnet)
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# ----------------------------------------------------------------------------
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# Stalwart's metadata + full-text store. Create the role/db once (see README).
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DB_MAGIC_NAME=the-record-prod
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STALWART_DB_NAME=stalwart
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STALWART_DB_USER=stalwart
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# Generate: openssl rand -base64 24 (avoid / and + if you ever inline it in a URL)
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STALWART_DB_PASSWORD=
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# ----------------------------------------------------------------------------
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# Over-engineering, part 2/3 — Redis (shared instance on the tailnet)
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# ----------------------------------------------------------------------------
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# Stalwart's in-memory store: distributed rate limits, caches, token revocation.
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REDIS_MAGIC_NAME=slo-time-prod
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# Use a dedicated logical DB index so we don't collide with the fediverse apps.
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STALWART_REDIS_DB=3
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# ----------------------------------------------------------------------------
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# Over-engineering, part 3/3 — Garage S3 (shared instance on the tailnet)
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# ----------------------------------------------------------------------------
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# Stalwart's blob store: message bodies, attachments, sieve scripts.
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# Reuses the shared Garage access key; needs its own bucket (see README).
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GARAGE_MAGIC_NAME=garage
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GARAGE_REGION=garage
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GARAGE_ACCESS_KEY_ID=
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GARAGE_SECRET_ACCESS_KEY=
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STALWART_S3_BUCKET=stalwart-mail
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# ----------------------------------------------------------------------------
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# Outbound delivery
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# ----------------------------------------------------------------------------
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# Most VPS providers block outbound :25. If yours does, relay through a
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# smarthost (host:port). Leave blank to attempt direct MX delivery.
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STALWART_SMARTHOST=
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# ----------------------------------------------------------------------------
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# TLS — Stalwart self-manages certs via ACME DNS-01 (works behind the L4 proxy)
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# ----------------------------------------------------------------------------
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# DNS provider + token for the DNS-01 challenge. Leave blank to instead mount
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# a certbot-issued cert (see config/config.toml [certificate]).
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STALWART_ACME_PROVIDER=
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STALWART_ACME_TOKEN=
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