[Netfilter] add mailcow rule to docker-user chain
[Netfilter] add mailcow isolation rule to MAILCOW chain
[Netfilter] add mailcow isolation rule to MAILCOW chain
[Netfilter] set mailcow isolation rule before redis
[Netfilter] clear bans in redis after connecting
[Netfilter] simplify mailcow isolation rule for compatibility with iptables-nft
[Netfilter] stop container after mariadb, redis, dovecot, solr
[Netfilter] simplify mailcow isolation rule for compatibility with iptables-nft
[Netfilter] add exception for mailcow isolation rule for HA setups
[Netfilter] add exception for mailcow isolation rule for HA setups
[Netfilter] add DISABLE_NETFILTER_ISOLATION_RULE
[Netfilter] fix wrong var name
[Netfilter] add DISABLE_NETFILTER_ISOLATION_RULE to update and generate_config sh