initial mailu setup

docker-compose.yml

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+services:
+
+  redis:
+    image: redis:alpine
+    restart: unless-stopped
+    volumes:
+      - redis_data:/data
+    networks:
+      - mail_internal
+
+  resolver:
+    image: ghcr.io/mailu/unbound:2.0
+    restart: unless-stopped
+    env_file: mailu.env
+    networks:
+      mail_internal:
+        ipv4_address: 192.168.203.254
+
+  front:
+    image: ghcr.io/mailu/nginx:2.0
+    restart: unless-stopped
+    env_file: mailu.env
+    volumes:
+      - /home/burrson/web/caddy/data/caddy/certificates/acme-v02.api.letsencrypt.org-directory/mail.burrson.de/mail.burrson.de.crt:/certs/cert.pem:ro
+      - /home/burrson/web/caddy/data/caddy/certificates/acme-v02.api.letsencrypt.org-directory/mail.burrson.de/mail.burrson.de.key:/certs/key.pem:ro
+      - ./overrides/nginx:/overrides:ro
+    ports:
+      - "25:25"
+      - "465:465"
+      - "587:587"
+      - "993:993"
+      - "995:995"
+    networks:
+      - caddy
+      - mail_internal
+    depends_on:
+      - resolver
+    dns:
+      - 192.168.203.254
+
+  admin:
+    image: ghcr.io/mailu/admin:2.0
+    restart: unless-stopped
+    env_file: mailu.env
+    volumes:
+      - mail_data:/data
+      - mail_dkim:/dkim
+    depends_on:
+      - redis
+    networks:
+      - mail_internal
+
+  imap:
+    image: ghcr.io/mailu/dovecot:2.0
+    restart: unless-stopped
+    env_file: mailu.env
+    volumes:
+      - mail_data:/data
+      - mail_mail:/mail
+    depends_on:
+      - front
+    networks:
+      - mail_internal
+
+  smtp:
+    image: ghcr.io/mailu/postfix:2.0
+    restart: unless-stopped
+    env_file: mailu.env
+    volumes:
+      - mail_data:/data
+      - mail_mailqueue:/queue
+    depends_on:
+      - front
+      - resolver
+    dns:
+      - 192.168.203.254
+    networks:
+      - mail_internal
+
+  antispam:
+    image: ghcr.io/mailu/rspamd:2.0
+    restart: unless-stopped
+    env_file: mailu.env
+    volumes:
+      - mail_data:/data
+      - mail_filter:/filter
+      - ./overrides/rspamd:/overrides:ro
+    depends_on:
+      - front
+      - redis
+    dns:
+      - 192.168.203.254
+    networks:
+      - mail_internal
+
+  oletools:
+    image: ghcr.io/mailu/oletools:2.0
+    restart: unless-stopped
+    networks:
+      - mail_internal
+
+  webmail:
+    image: ghcr.io/mailu/webmail:2.0
+    restart: unless-stopped
+    env_file: mailu.env
+    volumes:
+      - mail_webmail:/data
+    depends_on:
+      - imap
+    networks:
+      - mail_internal
+
+volumes:
+  redis_data:
+  mail_data:
+  mail_mail:
+  mail_dkim:
+  mail_mailqueue:
+  mail_filter:
+  mail_webmail:
+
+networks:
+  caddy:
+    external: true
+  mail_internal:
+    driver: bridge
+    ipam:
+      config:
+        - subnet: 192.168.203.0/24

mailu.env

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+SECRET_KEY=85b5b6ad63257ee25569eb4d2ecc143f
+DOMAIN=burrson.de
+HOSTNAMES=mail.burrson.de
+POSTMASTER=admin
+TLS_FLAVOR=cert
+WEBMAIL=roundcube
+ADMIN=true
+ANTISPAM=rspamd
+ANTIVIRUS=none
+DB_FLAVOR=sqlite
+SUBNET=192.168.203.0/24
+MESSAGE_SIZE_LIMIT=50000000
+AUTH_RATELIMIT_IP=60/hour
+AUTH_RATELIMIT_USER=100/day
+RECIPIENT_DELIMITER=+
+DEFAULT_SPAM_THRESHOLD=80
+REAL_IP_HEADER=X-Forwarded-For
+REAL_IP_FROM=172.21.0.0/16
+LOG_LEVEL=WARNING