Hi All,
just wondering if anyone may have some additional tips? Have searched on the forum too but the steps havent worked so far.

Fresh install in a Debian Docker LXC and even ran the Update Script:
Starting mailcow…
[+] Running 20/20
✔ Network mailcowdockerized_mailcow-network Created 0.3s
✔ Container mailcowdockerized-solr-mailcow-1 Started 3.1s
✘ Container mailcowdockerized-unbound-mailcow-1 Error 3.1s
✔ Container mailcowdockerized-sogo-mailcow-1 Started 3.1s
✔ Container mailcowdockerized-redis-mailcow-1 Started 3.1s
✔ Container mailcowdockerized-olefy-mailcow-1 Started 3.1s
✔ Container mailcowdockerized-memcached-mailcow-1 Sta… 3.0s
✔ Container mailcowdockerized-dockerapi-mailcow-1 Sta… 3.0s
✔ Container mailcowdockerized-php-fpm-mailcow-1 Start… 3.4s
✔ Container mailcowdockerized-clamd-mailcow-1 Created 3.2s
✔ Container mailcowdockerized-mysql-mailcow-1 Started 3.4s
✔ Container mailcowdockerized-dovecot-mailcow-1 Start… 3.4s
✔ Container mailcowdockerized-nginx-mailcow-1 Started 3.4s
✔ Container mailcowdockerized-postfix-mailcow-1 Creat… 3.2s
✔ Container mailcowdockerized-acme-mailcow-1 Created 3.9s
✔ Container mailcowdockerized-rspamd-mailcow-1 Starte… 3.8s
✔ Container mailcowdockerized-ofelia-mailcow-1 Starte… 3.9s
✔ Container mailcowdockerized-netfilter-mailcow-1 Cre… 3.8s
✔ Container mailcowdockerized-watchdog-mailcow-1 Crea… 1.5s
✔ Container mailcowdockerized-ipv6nat-mailcow-1 Creat… 3.1s
dependency failed to start: container mailcowdockerized-unbound-mailcow-1 is unhealthy
Collecting garbage…
root@dockerdebianlxc1:/opt/mailcow-dockerized#

Am seeing this in the docker log for unbound-mailcow-1

Setting console permissions…
Receiving anchor key…
Receiving root hints…
#=#=#
##O#-#
##O=# #
#=#=-# #
-#O#- # #

######################################################################## 100.0%
setup in directory /etc/unbound
Certificate request self-signature ok
subject=CN = unbound-control
removing artifacts
Setup success. Certificates created. Enable in unbound.conf file to use
[1702303703] unbound[1:0] notice: init module 0: validator
[1702303703] unbound[1:0] notice: init module 1: iterator
[1702303703] unbound[1:0] info: start of service (unbound 1.17.1).

Followed this thread and added the forward-addr:
mailcow community Icon ontainer mailcowdockerized-unbound-mailcow-1 Error

This is the new error:
Starting mailcow…
[+] Running 20/20
✔ Network mailcowdockerized_mailcow-network Created 0.3s
✔ Container mailcowdockerized-olefy-mailcow-1 Started 4.0s
✔ Container mailcowdockerized-memcached-mailcow-1 Started 3.8s
✔ Container mailcowdockerized-solr-mailcow-1 Started 4.0s
✔ Container mailcowdockerized-redis-mailcow-1 Started 4.0s
✔ Container mailcowdockerized-dockerapi-mailcow-1 Started 4.0s
✔ Container mailcowdockerized-unbound-mailcow-1 Healthy 4.0s
✔ Container mailcowdockerized-sogo-mailcow-1 Started 4.0s
✔ Container mailcowdockerized-mysql-mailcow-1 Started 8.1s
✔ Container mailcowdockerized-clamd-mailcow-1 Started 7.9s
✔ Container mailcowdockerized-php-fpm-mailcow-1 Started 8.1s
✔ Container mailcowdockerized-dovecot-mailcow-1 Started 4.0s
✔ Container mailcowdockerized-postfix-mailcow-1 Created 3.9s
✔ Container mailcowdockerized-nginx-mailcow-1 Started 4.0s
✔ Container mailcowdockerized-acme-mailcow-1 Started 3.7s
✔ Container mailcowdockerized-rspamd-mailcow-1 Started 3.9s
✔ Container mailcowdockerized-netfilter-mailcow-1 Created 3.7s
✔ Container mailcowdockerized-ofelia-mailcow-1 Started 3.9s
✔ Container mailcowdockerized-watchdog-mailcow-1 Created 2.2s
✔ Container mailcowdockerized-ipv6nat-mailcow-1 Created 2.7s
Error response from daemon: driver failed programming external connectivity on endpoint mailcowdockerized-postfix-mailcow-1 (2f4114e8e0cbdbd99503c3007f036aaf4ab6f57e46cef99994b0402c0d2624b8): Error starting userland proxy: listen tcp4 0.0.0.0:25: bind: address already in use
Collecting garbage…
root@dockerdebianlxc1:/opt/mailcow-dockerized#

Followed this thread and added the forward-addr:
mailcow community Icon ontainer mailcowdockerized-unbound-mailcow-1 Error

This is the new error:
Starting mailcow…
[+] Running 20/20
✔ Network mailcowdockerized_mailcow-network Created 0.3s
✔ Container mailcowdockerized-olefy-mailcow-1 Started 4.0s
✔ Container mailcowdockerized-memcached-mailcow-1 Started 3.8s
✔ Container mailcowdockerized-solr-mailcow-1 Started 4.0s
✔ Container mailcowdockerized-redis-mailcow-1 Started 4.0s
✔ Container mailcowdockerized-dockerapi-mailcow-1 Started 4.0s
✔ Container mailcowdockerized-unbound-mailcow-1 Healthy 4.0s
✔ Container mailcowdockerized-sogo-mailcow-1 Started 4.0s
✔ Container mailcowdockerized-mysql-mailcow-1 Started 8.1s
✔ Container mailcowdockerized-clamd-mailcow-1 Started 7.9s
✔ Container mailcowdockerized-php-fpm-mailcow-1 Started 8.1s
✔ Container mailcowdockerized-dovecot-mailcow-1 Started 4.0s
✔ Container mailcowdockerized-postfix-mailcow-1 Created 3.9s
✔ Container mailcowdockerized-nginx-mailcow-1 Started 4.0s
✔ Container mailcowdockerized-acme-mailcow-1 Started 3.7s
✔ Container mailcowdockerized-rspamd-mailcow-1 Started 3.9s
✔ Container mailcowdockerized-netfilter-mailcow-1 Created 3.7s
✔ Container mailcowdockerized-ofelia-mailcow-1 Started 3.9s
✔ Container mailcowdockerized-watchdog-mailcow-1 Created 2.2s
✔ Container mailcowdockerized-ipv6nat-mailcow-1 Created 2.7s
Error response from daemon: driver failed programming external connectivity on endpoint mailcowdockerized-postfix-mailcow-1 (2f4114e8e0cbdbd99503c3007f036aaf4ab6f57e46cef99994b0402c0d2624b8): Error starting userland proxy: listen tcp4 0.0.0.0:25: bind: address already in use
Collecting garbage…
root@dockerdebianlxc1:/opt/mailcow-dockerized#

    damocr listen tcp4 0.0.0.0:25: bind: address already in use

    Something else is already listening on port 25…
    What is it? Probably something on your host or another container which is already binding to port 25.

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