[Update] Use correct subnet for IPv6, allow --ours parameter to merge by gits ours strategy

[Update/config] Allow to set SNAT_TO_SOURCE

generate_config.sh

@@ -87,12 +87,10 @@ ADDITIONAL_SAN=
 
 # Skip running ACME (acme-mailcow, Let's Encrypt certs) - y/n
 SKIP_LETS_ENCRYPT=n
+
 # Skip IPv4 check in ACME container - y/n
 SKIP_IP_CHECK=n
 
-# Skip Fail2ban implementation (fail2ban-mailcow) - y/n
-SKIP_FAIL2BAN=n
-
 # Skip ClamAV (clamd-mailcow) anti-virus (Rspamd will auto-detect a missing ClamAV container) - y/n
 SKIP_CLAMD=n
 
@@ -107,7 +105,7 @@ LOG_LINES=9999
 # Internal IPv4 /24 subnet, format n.n.n. (expands to n.n.n.0/24)
 IPV4_NETWORK=172.22.1
 
-# Internal IPv6 subnet in fd00::/8
+# Internal IPv6 subnet in fc00::/7
 IPV6_NETWORK=fd4d:6169:6c63:6f77::/64
 
 

update.sh

@@ -40,7 +40,6 @@ CONFIG_ARRAY=(
   "WATCHDOG_NOTIFY_EMAIL"
   "SKIP_CLAMD"
   "SKIP_IP_CHECK"
-  "SKIP_NETFILTER"
   "ADDITIONAL_SAN"
   "DOVEADM_PORT"
   "IPV4_NETWORK"
@@ -101,8 +100,6 @@ for option in ${CONFIG_ARRAY[@]}; do
   fi
 done
 
-sed -i 's#SKIP_FAIL2BAN#SKIP_NETFILTER#g' mailcow.conf
-
 echo -en "Checking internet connection... "
 curl -o /dev/null google.com -sm3
 if [[ $? != 0 ]]; then