firewall:
  - name: "ingress.tjo.cloud"
    host: "ingress.tjo.cloud"
    ports:
      - 22   # SSH
      - 25   # SMTP (explicit TLS => STARTTLS)
      - 80   # HTTP
      - 143  # IMAP (explicit TLS => STARTTLS)
      - 443  # HTTPS
      - 465  # ESMTP (implicit TLS)
      - 587  # ESMTP (explicit TLS => STARTTLS)
      - 993  # IMAP4 (implicit TLS)
      - 4190 # MANAGE SIEVE