# Copy to .env next to docker-compose.yml and fill in.

# Hostname used both for the panel's TLS vhost and for Postfix's SASL realm
# (SASL_REALM defaults to this) and myhostname. Must match the certificate
# your reverse proxy obtains.
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

# 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