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selfpost/deploy/.env.example
T
mix 8ce050ef7f release: 0.1.0: Phases 0-11: panel, Postfix/DKIM, milter, backup, Docker image
Initial feature-complete implementation of the v1.0 specification (phases 0-11 of `docs/implementation-plan.md`).
Added:
  - Panel (Go, single static binary) with SQLite persistence, one-time
  - Domain management with per-domain DKIM (RSA-2048, generated in pure Go) and
  - Application (sender identity) management: SASL credentials via `sasldb2`,
  - Full Postfix relay config generated from env at container start: SMTPS 465,
  - Journal milter (pure Go, `go-milter`) recording every send to `send_log`;
  … (6 more in CHANGELOG)

Full detail: CHANGELOG.md (0.1.0).
2026-09-22 15:24:51 +03:00

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# Copy to .env next to docker-compose.yml and fill in.
# Required — the container refuses to start without it. Hostname used both for
# the panel's TLS vhost and for Postfix's SASL realm (SASL_REALM defaults to
# this) and myhostname; must also match your PTR record. Must match the
# certificate your reverse proxy obtains. Bare FQDN only — no scheme or port.
SELFPOST_HOSTNAME=mail.example.com
# Set to true to also enable RFC 6409 submission (587/STARTTLS) alongside the
# primary 465/smtps listener.
SUBMISSION_ENABLE=false
# Level-1 backstop rate limit (anvil) — see README "Rate limiting".
RATE_LIMIT_MESSAGES_PER_IP=100
RATE_LIMIT_WINDOW_SECONDS=3600
# Days of send-log history kept before the background sweep deletes rows.
SEND_LOG_RETENTION_DAYS=90
# Sliding idle timeout for the panel login session, in days. No absolute cap:
# an admin who keeps coming back stays signed in indefinitely. Polling by the
# monitoring screens does not count as activity, only navigation/actions do.
PANEL_SESSION_IDLE_DAYS=7
# Comma-separated CIDRs (bare IPs allowed) of reverse proxies allowed to
# supply X-Forwarded-For for login/setup rate-limiting. Leave unset unless
# you know the exact address of your reverse proxy — trusting the wrong
# source lets a client spoof its rate-limit key. Behind the default Apache
# host-network setup this is typically the Docker bridge gateway, e.g.
# TRUSTED_PROXY_CIDR=172.18.0.1