Self-hosted newsletter service for fleet web properties. ἐπιστολή - "letter sent."
Replaces Buttondown for any typikon-consuming site that wants a self-hosted newsletter. Configure the target domain in your instance config (see DEPLOY.md).
A standalone Rust service:
- public:
/subscribe,/confirm,/unsubscribe,/archive - operator:
/send(auth-gated; renders Markdown to HTML to SMTP relay to ledger) - storage: fjall LSM-tree (subscriber list, send history, delivery ledger)
- deliverability: SMTP relay through Postmark or Mailgun - DKIM/SPF/DMARC live on the relay outbound IP, not on the host
| Concern | Crate |
|---|---|
| HTTP framework | axum |
| Persistence | fjall |
| HTML templates | maud |
| SMTP | lettre |
| TLS | rustls |
| Errors | snafu |
| Tracing | tracing |
| Secret handling | secrecy |
Subscriber flows, archive, operator send, and SMTP delivery are all functional.
- Full subscriber lifecycle:
/subscribe-> confirm link ->/confirm->/unsubscribe - Archive:
/archivelists past sends;/archive/{id}renders individual issues - Operator:
POST /send(bearer-gated) stores newsletter records and delivers them viaSmtpMailer(src/mailer.rs), the productionMailerwired inmain.rs - Systemd unit and full reverse-proxy deploy runbook in DEPLOY.md
- Subscriber-import tool and
<your-domain>contact form cutover are follow-up items
See CLAUDE.md for boundaries and conventions.
AGPL-3.0-or-later. See LICENSE.