Postfix container stuck at starting #5947

aronmgv · 2024-07-10T08:24:14Z

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Description

For some reason postfix container crashed and won't start:

NAME                                    IMAGE                                        COMMAND                  SERVICE             CREATED             STATUS                    PORTS
mailcowdockerized-acme-mailcow-1        mailcow/acme:1.88                            "/sbin/tini -g -- /s…"   acme-mailcow        10 minutes ago      Up 9 minutes
mailcowdockerized-certdumper-1          ghcr.io/kereis/traefik-certs-dumper:latest   "/usr/bin/dump --res…"   certdumper          10 minutes ago      Up 10 minutes (healthy)
mailcowdockerized-clamd-mailcow-1       mailcow/clamd:1.66                           "/sbin/tini -g -- /c…"   clamd-mailcow       10 minutes ago      Up 9 minutes (healthy)
mailcowdockerized-dockerapi-mailcow-1   mailcow/dockerapi:2.08                       "/bin/sh /app/docker…"   dockerapi-mailcow   10 minutes ago      Up 10 minutes
mailcowdockerized-dovecot-mailcow-1     mailcow/dovecot:1.30                         "/docker-entrypoint.…"   dovecot-mailcow     10 minutes ago      Up 10 minutes             0.0.0.0:110->110/tcp, :::110->110/tcp, 0.0.0.0:143->143/tcp, :::143->143/tcp, 0.0.0.0:993->993/tcp, :::993->993/tcp, 0.0.0.0:995->995/tcp, :::995->995/tcp, 0.0.0.0:4190->4190/tcp, :::4190->4190/tcp, 127.0.0.1:19991->12345/tcp
mailcowdockerized-memcached-mailcow-1   memcached:alpine                             "docker-entrypoint.s…"   memcached-mailcow   10 minutes ago      Up 10 minutes             11211/tcp
mailcowdockerized-mysql-mailcow-1       mariadb:10.5                                 "docker-entrypoint.s…"   mysql-mailcow       10 minutes ago      Up 10 minutes             127.0.0.1:13306->3306/tcp
mailcowdockerized-netfilter-mailcow-1   mailcow/netfilter:1.59                       "/bin/sh -c /app/doc…"   netfilter-mailcow   10 minutes ago      Up 10 minutes
mailcowdockerized-nginx-mailcow-1       nginx:mainline-alpine                        "/docker-entrypoint.…"   nginx-mailcow       10 minutes ago      Up 10 minutes             0.0.0.0:52180->52180/tcp, :::52180->52180/tcp, 80/tcp, 0.0.0.0:52190->52190/tcp, :::52190->52190/tcp
mailcowdockerized-ofelia-mailcow-1      mcuadros/ofelia:latest                       "/usr/bin/ofelia dae…"   ofelia-mailcow      10 minutes ago      Up 10 minutes
mailcowdockerized-olefy-mailcow-1       mailcow/olefy:1.13                           "python3 -u /app/ole…"   olefy-mailcow       10 minutes ago      Up 10 minutes
mailcowdockerized-php-fpm-mailcow-1     mailcow/phpfpm:1.88                          "/docker-entrypoint.…"   php-fpm-mailcow     10 minutes ago      Up 10 minutes             9000/tcp
mailcowdockerized-redis-mailcow-1       redis:7-alpine                               "docker-entrypoint.s…"   redis-mailcow       10 minutes ago      Up 10 minutes             127.0.0.1:7654->6379/tcp
mailcowdockerized-rspamd-mailcow-1      mailcow/rspamd:1.96                          "/docker-entrypoint.…"   rspamd-mailcow      10 minutes ago      Up 10 minutes
mailcowdockerized-sogo-mailcow-1        mailcow/sogo:1.123                           "/docker-entrypoint.…"   sogo-mailcow        10 minutes ago      Up 10 minutes
mailcowdockerized-solr-mailcow-1        mailcow/solr:1.8.3                           "docker-entrypoint.s…"   solr-mailcow        10 minutes ago      Up 10 minutes             127.0.0.1:18983->8983/tcp
mailcowdockerized-unbound-mailcow-1     mailcow/unbound:1.22                         "/docker-entrypoint.…"   unbound-mailcow     10 minutes ago      Up 10 minutes (healthy)   53/tcp, 53/udp

Tried rebooting the machine
Tried removing the postfix volume

I am clueless what try next..



### Logs:

```plain text
No error in logs.. Cant even post logs from postfix since it is stuck at `starting` and logs are empty..

Steps to reproduce:

1. pull mailcow
2. run `./update.sh`
3. `docker-compose up -d`

Which branch are you using?

master

Which architecture are you using?

x86

Operating System:

Debian 12

Server/VM specifications:

64G, 12cores

Is Apparmor, SELinux or similar active?

dont know

Virtualization technology:

docker

Docker version:

27.0.3

docker-compose version or docker compose version:

v2.18.1

mailcow version:

2024-06a

Reverse proxy:

Traefik

Logs of git diff:

diff --git a/data/assets/ssl-example/cert.pem b/data/assets/ssl-example/cert.pem
index 96d16bec..8d9120f9 100644
--- a/data/assets/ssl-example/cert.pem
+++ b/data/assets/ssl-example/cert.pem
@@ -1,19 +1,33 @@
 -----BEGIN CERTIFICATE-----
XXX
 -----END CERTIFICATE-----
diff --git a/data/assets/ssl-example/key.pem b/data/assets/ssl-example/key.pem
index cedf35a0..6571e520 100644
--- a/data/assets/ssl-example/key.pem
+++ b/data/assets/ssl-example/key.pem
@@ -1,27 +1,52 @@
------BEGIN RSA PRIVATE KEY-----
XXX
------END RSA PRIVATE KEY-----
+-----BEGIN PRIVATE KEY-----
XXX
+-----END PRIVATE KEY-----
diff --git a/data/conf/postfix/main.cf b/data/conf/postfix/main.cf
index 6a87f2ec..4acf7808 100644
--- a/data/conf/postfix/main.cf
+++ b/data/conf/postfix/main.cf
@@ -173,3 +173,36 @@ parent_domain_matches_subdomains = debug_peer_list,fast_flush_domains,mynetworks

 # DO NOT EDIT ANYTHING BELOW #
 # Overrides #
+
+postscreen_dnsbl_sites = wl.mailspike.net=127.0.0.[18;19;20]*-2
+  hostkarma.junkemailfilter.com=127.0.0.1*-2
+  list.dnswl.org=127.0.[0..255].0*-2
+  list.dnswl.org=127.0.[0..255].1*-4
+  list.dnswl.org=127.0.[0..255].2*-6
+  list.dnswl.org=127.0.[0..255].3*-8
+  ix.dnsbl.manitu.net*2
+  bl.spamcop.net*2
+  bl.suomispam.net*2
+  hostkarma.junkemailfilter.com=127.0.0.2*3
+  hostkarma.junkemailfilter.com=127.0.0.4*2
+  hostkarma.junkemailfilter.com=127.0.1.2*1
+  backscatter.spameatingmonkey.net*2
+  bl.ipv6.spameatingmonkey.net*2
+  bl.spameatingmonkey.net*2
+  b.barracudacentral.org=127.0.0.2*7
+  bl.mailspike.net=127.0.0.2*5
+  bl.mailspike.net=127.0.0.[10;11;12]*4
+  dnsbl.sorbs.net=127.0.0.10*8
+  dnsbl.sorbs.net=127.0.0.5*6
+  dnsbl.sorbs.net=127.0.0.7*3
+  dnsbl.sorbs.net=127.0.0.8*2
+  dnsbl.sorbs.net=127.0.0.6*2
+  dnsbl.sorbs.net=127.0.0.9*2
+  zen.spamhaus.org=127.0.0.[10;11]*8
+  zen.spamhaus.org=127.0.0.[4..7]*6
+  zen.spamhaus.org=127.0.0.3*4
+  zen.spamhaus.org=127.0.0.2*3
+
+# User Overrides
+myhostname = mail.aronmgv.com
+
diff --git a/docker-compose.yml b/docker-compose.yml
index b0f50dd6..563144af 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -611,36 +611,6 @@ services:
           aliases:
             - ofelia

-    ipv6nat-mailcow:
-      depends_on:
-        - unbound-mailcow
-        - mysql-mailcow
-        - redis-mailcow
-        - clamd-mailcow
-        - rspamd-mailcow
-        - php-fpm-mailcow
-        - sogo-mailcow
-        - dovecot-mailcow
-        - postfix-mailcow
-        - memcached-mailcow
-        - nginx-mailcow
-        - acme-mailcow
-        - netfilter-mailcow
-        - watchdog-mailcow
-        - dockerapi-mailcow
-        - solr-mailcow
-      environment:
-        - TZ=${TZ}
-      image: robbertkl/ipv6nat
-      security_opt:
-        - label=disable
-      restart: always
-      privileged: true
-      network_mode: "host"
-      volumes:
-        - /var/run/docker.sock:/var/run/docker.sock:ro
-        - /lib/modules:/lib/modules:ro
-
 networks:
   mailcow-network:
     driver: bridge

Logs of iptables -L -vn:

Chain INPUT (policy DROP 7 packets, 360 bytes)
 pkts bytes target     prot opt in     out     source               destination
18784 8415K MAILCOW    0    --  *      *       0.0.0.0/0            0.0.0.0/0            /* mailcow */
  331 20342 ACCEPT     0    --  lo     *       0.0.0.0/0            0.0.0.0/0            /* loopback in */
    0     0 ACCEPT     0    --  tun0   *       0.0.0.0/0            0.0.0.0/0            /* tunnel in */
 9214  536K ACCEPT     6    --  br0    *       0.0.0.0/0            0.0.0.0/0            tcp dpt:22
    0     0 ACCEPT     17   --  br0    *       0.0.0.0/0            0.0.0.0/0            udp dpt:1194
    0     0 f2b-sshd   6    --  *      *       0.0.0.0/0            0.0.0.0/0            multiport dports 22
11992 9861K ACCEPT     0    --  *      *       0.0.0.0/0            0.0.0.0/0            ctstate RELATED,ESTABLISHED
    4   328 DROP       0    --  *      *       0.0.0.0/0            0.0.0.0/0            ctstate INVALID
 1317  224K ACCEPT     0    --  *      *       0.0.0.0/0            0.0.0.0/0            match-set WHITELIST src
    0     0 DROP       0    --  *      *       0.0.0.0/0            0.0.0.0/0            match-set BLACKLIST src
  137 12044 DROP       0    --  *      *       0.0.0.0/0            0.0.0.0/0            match-set FIREHOL src
    0     0 ACCEPT     0    --  br0    *       192.168.255.0/24     0.0.0.0/0            /* LAN */
    0     0 ACCEPT     0    --  br0    *       10.8.0.0/24          0.0.0.0/0            /* VPN */
    0     0 ACCEPT     1    --  br0    *       0.0.0.0/0            0.0.0.0/0            icmptype 8 /* ping */
    0     0 ACCEPT     17   --  br0    *       0.0.0.0/0            0.0.0.0/0            udp dpt:53 /* DNS UDP */
    0     0 ACCEPT     6    --  br0    *       0.0.0.0/0            0.0.0.0/0            tcp dpt:53 /* DNS TCP */
    0     0 ACCEPT     17   --  br0    *       0.0.0.0/0            0.0.0.0/0            udp spt:53 state ESTABLISHED /* Answer from DNS */
    7   360 LOG        0    --  *      *       0.0.0.0/0            0.0.0.0/0            limit: avg 3/min burst 5 LOG flags 0 level 4 prefix "iptables_INPUT_denied: "

Chain FORWARD (policy ACCEPT 0 packets, 0 bytes)
 pkts bytes target     prot opt in     out     source               destination
 606K  505M MAILCOW    0    --  *      *       0.0.0.0/0            0.0.0.0/0            /* mailcow */
 607K  505M DOCKER-USER  0    --  *      *       0.0.0.0/0            0.0.0.0/0
  183  136K DOCKER-ISOLATION-STAGE-1  0    --  *      *       0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  *      br-mailcow  0.0.0.0/0            0.0.0.0/0            ctstate RELATED,ESTABLISHED
    0     0 DOCKER     0    --  *      br-mailcow  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  br-mailcow !br-mailcow  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  br-mailcow br-mailcow  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  *      docker0  0.0.0.0/0            0.0.0.0/0            ctstate RELATED,ESTABLISHED
    0     0 DOCKER     0    --  *      docker0  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  docker0 !docker0  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  docker0 docker0  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  *      br-720ab72489d9  0.0.0.0/0            0.0.0.0/0            ctstate RELATED,ESTABLISHED
    5   244 DOCKER     0    --  *      br-720ab72489d9  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  br-720ab72489d9 !br-720ab72489d9  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  br-720ab72489d9 br-720ab72489d9  0.0.0.0/0            0.0.0.0/0
   43 59320 ACCEPT     0    --  *      br-eed726952215  0.0.0.0/0            0.0.0.0/0            ctstate RELATED,ESTABLISHED
    0     0 DOCKER     0    --  *      br-eed726952215  0.0.0.0/0            0.0.0.0/0
   39  2028 ACCEPT     0    --  br-eed726952215 !br-eed726952215  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  br-eed726952215 br-eed726952215  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  *      br-2bc56dc9b40e  0.0.0.0/0            0.0.0.0/0            ctstate RELATED,ESTABLISHED
    0     0 DOCKER     0    --  *      br-2bc56dc9b40e  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  br-2bc56dc9b40e !br-2bc56dc9b40e  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  br-2bc56dc9b40e br-2bc56dc9b40e  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  *      br-6083d8c65b42  0.0.0.0/0            0.0.0.0/0            ctstate RELATED,ESTABLISHED
    0     0 DOCKER     0    --  *      br-6083d8c65b42  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  br-6083d8c65b42 !br-6083d8c65b42  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  br-6083d8c65b42 br-6083d8c65b42  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  *      br-b4c82a79d122  0.0.0.0/0            0.0.0.0/0            ctstate RELATED,ESTABLISHED
    0     0 DOCKER     0    --  *      br-b4c82a79d122  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  br-b4c82a79d122 !br-b4c82a79d122  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  br-b4c82a79d122 br-b4c82a79d122  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  *      br-4050b2648e08  0.0.0.0/0            0.0.0.0/0            ctstate RELATED,ESTABLISHED
    0     0 DOCKER     0    --  *      br-4050b2648e08  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  br-4050b2648e08 !br-4050b2648e08  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  br-4050b2648e08 br-4050b2648e08  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  *      br-051ea57565e6  0.0.0.0/0            0.0.0.0/0            ctstate RELATED,ESTABLISHED
    0     0 DOCKER     0    --  *      br-051ea57565e6  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  br-051ea57565e6 !br-051ea57565e6  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  br-051ea57565e6 br-051ea57565e6  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  *      br-85affb5abaaa  0.0.0.0/0            0.0.0.0/0            ctstate RELATED,ESTABLISHED
    0     0 DOCKER     0    --  *      br-85affb5abaaa  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  br-85affb5abaaa !br-85affb5abaaa  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  br-85affb5abaaa br-85affb5abaaa  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  *      br-f83b4226c672  0.0.0.0/0            0.0.0.0/0            ctstate RELATED,ESTABLISHED
    0     0 DOCKER     0    --  *      br-f83b4226c672  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  br-f83b4226c672 !br-f83b4226c672  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  br-f83b4226c672 br-f83b4226c672  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  *      br-49b7b99aa265  0.0.0.0/0            0.0.0.0/0            ctstate RELATED,ESTABLISHED
    0     0 DOCKER     0    --  *      br-49b7b99aa265  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  br-49b7b99aa265 !br-49b7b99aa265  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  br-49b7b99aa265 br-49b7b99aa265  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  *      br-9e74d39fa2c9  0.0.0.0/0            0.0.0.0/0            ctstate RELATED,ESTABLISHED
    0     0 DOCKER     0    --  *      br-9e74d39fa2c9  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  br-9e74d39fa2c9 !br-9e74d39fa2c9  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  br-9e74d39fa2c9 br-9e74d39fa2c9  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  *      br-975c73e0ca36  0.0.0.0/0            0.0.0.0/0            ctstate RELATED,ESTABLISHED
    0     0 DOCKER     0    --  *      br-975c73e0ca36  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  br-975c73e0ca36 !br-975c73e0ca36  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  br-975c73e0ca36 br-975c73e0ca36  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  *      br-2f8d9214a348  0.0.0.0/0            0.0.0.0/0            ctstate RELATED,ESTABLISHED
    0     0 DOCKER     0    --  *      br-2f8d9214a348  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  br-2f8d9214a348 !br-2f8d9214a348  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  br-2f8d9214a348 br-2f8d9214a348  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  *      br-2b281a45c53a  0.0.0.0/0            0.0.0.0/0            ctstate RELATED,ESTABLISHED
    0     0 DOCKER     0    --  *      br-2b281a45c53a  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  br-2b281a45c53a !br-2b281a45c53a  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  br-2b281a45c53a br-2b281a45c53a  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  *      br-1c0e4382359c  0.0.0.0/0            0.0.0.0/0            ctstate RELATED,ESTABLISHED
    0     0 DOCKER     0    --  *      br-1c0e4382359c  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  br-1c0e4382359c !br-1c0e4382359c  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  br-1c0e4382359c br-1c0e4382359c  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  *      br-f1e2b6ac7e48  0.0.0.0/0            0.0.0.0/0            ctstate RELATED,ESTABLISHED
    0     0 DOCKER     0    --  *      br-f1e2b6ac7e48  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  br-f1e2b6ac7e48 !br-f1e2b6ac7e48  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  br-f1e2b6ac7e48 br-f1e2b6ac7e48  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  *      br-ca9c8e843914  0.0.0.0/0            0.0.0.0/0            ctstate RELATED,ESTABLISHED
    0     0 DOCKER     0    --  *      br-ca9c8e843914  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  br-ca9c8e843914 !br-ca9c8e843914  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  br-ca9c8e843914 br-ca9c8e843914  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  *      br-9f77e96147b6  0.0.0.0/0            0.0.0.0/0            ctstate RELATED,ESTABLISHED
    0     0 DOCKER     0    --  *      br-9f77e96147b6  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  br-9f77e96147b6 !br-9f77e96147b6  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  br-9f77e96147b6 br-9f77e96147b6  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  *      br-f79bc7c22561  0.0.0.0/0            0.0.0.0/0            ctstate RELATED,ESTABLISHED
    0     0 DOCKER     0    --  *      br-f79bc7c22561  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  br-f79bc7c22561 !br-f79bc7c22561  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  br-f79bc7c22561 br-f79bc7c22561  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  *      br-b1371bc813e3  0.0.0.0/0            0.0.0.0/0            ctstate RELATED,ESTABLISHED
    0     0 DOCKER     0    --  *      br-b1371bc813e3  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  br-b1371bc813e3 !br-b1371bc813e3  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  br-b1371bc813e3 br-b1371bc813e3  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  *      br-6553f9280c47  0.0.0.0/0            0.0.0.0/0            ctstate RELATED,ESTABLISHED
    0     0 DOCKER     0    --  *      br-6553f9280c47  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  br-6553f9280c47 !br-6553f9280c47  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  br-6553f9280c47 br-6553f9280c47  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  *      br-3e4962347c8a  0.0.0.0/0            0.0.0.0/0            ctstate RELATED,ESTABLISHED
    0     0 DOCKER     0    --  *      br-3e4962347c8a  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  br-3e4962347c8a !br-3e4962347c8a  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  br-3e4962347c8a br-3e4962347c8a  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  *      br-06209d87f975  0.0.0.0/0            0.0.0.0/0            ctstate RELATED,ESTABLISHED
    0     0 DOCKER     0    --  *      br-06209d87f975  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  br-06209d87f975 !br-06209d87f975  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  br-06209d87f975 br-06209d87f975  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  *      br-3fabc97e7faa  0.0.0.0/0            0.0.0.0/0            ctstate RELATED,ESTABLISHED
    0     0 DOCKER     0    --  *      br-3fabc97e7faa  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  br-3fabc97e7faa !br-3fabc97e7faa  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  br-3fabc97e7faa br-3fabc97e7faa  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  *      br-389eed92cc2c  0.0.0.0/0            0.0.0.0/0            ctstate RELATED,ESTABLISHED
    0     0 DOCKER     0    --  *      br-389eed92cc2c  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  br-389eed92cc2c !br-389eed92cc2c  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  br-389eed92cc2c br-389eed92cc2c  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  *      br-d56a6c59fbe0  0.0.0.0/0            0.0.0.0/0            ctstate RELATED,ESTABLISHED
    0     0 DOCKER     0    --  *      br-d56a6c59fbe0  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  br-d56a6c59fbe0 !br-d56a6c59fbe0  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  br-d56a6c59fbe0 br-d56a6c59fbe0  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  *      br-d3c6315441bb  0.0.0.0/0            0.0.0.0/0            ctstate RELATED,ESTABLISHED
    0     0 DOCKER     0    --  *      br-d3c6315441bb  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  br-d3c6315441bb !br-d3c6315441bb  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  br-d3c6315441bb br-d3c6315441bb  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  *      br-b91cbacdf824  0.0.0.0/0            0.0.0.0/0            ctstate RELATED,ESTABLISHED
    0     0 DOCKER     0    --  *      br-b91cbacdf824  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  br-b91cbacdf824 !br-b91cbacdf824  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  br-b91cbacdf824 br-b91cbacdf824  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  *      br-4cbd1cc687d4  0.0.0.0/0            0.0.0.0/0            ctstate RELATED,ESTABLISHED
    0     0 DOCKER     0    --  *      br-4cbd1cc687d4  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  br-4cbd1cc687d4 !br-4cbd1cc687d4  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  br-4cbd1cc687d4 br-4cbd1cc687d4  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  *      br-1a6252e55e9d  0.0.0.0/0            0.0.0.0/0            ctstate RELATED,ESTABLISHED
    0     0 DOCKER     0    --  *      br-1a6252e55e9d  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  br-1a6252e55e9d !br-1a6252e55e9d  0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     0    --  br-1a6252e55e9d br-1a6252e55e9d  0.0.0.0/0            0.0.0.0/0

Chain OUTPUT (policy ACCEPT 39147 packets, 30M bytes)
 pkts bytes target     prot opt in     out     source               destination

Chain DOCKER (32 references)
 pkts bytes target     prot opt in     out     source               destination
    0     0 ACCEPT     6    --  !br-d3c6315441bb br-d3c6315441bb  0.0.0.0/0            192.168.192.2        tcp dpt:8000
    0     0 ACCEPT     6    --  !br-06209d87f975 br-06209d87f975  0.0.0.0/0            192.168.128.2        tcp dpt:8443
    0     0 ACCEPT     6    --  !br-eed726952215 br-eed726952215  0.0.0.0/0            172.18.0.2           tcp dpt:1883
    0     0 ACCEPT     6    --  !br-9f77e96147b6 br-9f77e96147b6  0.0.0.0/0            192.168.176.2        tcp dpt:8080
    0     0 ACCEPT     6    --  !br-6553f9280c47 br-6553f9280c47  0.0.0.0/0            172.23.0.2           tcp dpt:80
    0     0 ACCEPT     6    --  !br-1c0e4382359c br-1c0e4382359c  0.0.0.0/0            192.168.48.2         tcp dpt:3000
    0     0 ACCEPT     6    --  !br-1a6252e55e9d br-1a6252e55e9d  0.0.0.0/0            172.20.0.2           tcp dpt:80
    0     0 ACCEPT     6    --  !br-3e4962347c8a br-3e4962347c8a  0.0.0.0/0            192.168.208.2        tcp dpt:9000
    0     0 ACCEPT     6    --  !br-4cbd1cc687d4 br-4cbd1cc687d4  0.0.0.0/0            192.168.64.2         tcp dpt:80
    0     0 ACCEPT     6    --  !br-3fabc97e7faa br-3fabc97e7faa  0.0.0.0/0            172.24.0.2           tcp dpt:80
    0     0 ACCEPT     6    --  !br-2b281a45c53a br-2b281a45c53a  0.0.0.0/0            192.168.160.2        tcp dpt:50101
    0     0 ACCEPT     6    --  !docker0 docker0  0.0.0.0/0            172.17.0.2           tcp dpt:80
    0     0 ACCEPT     6    --  !br-975c73e0ca36 br-975c73e0ca36  0.0.0.0/0            192.168.16.2         tcp dpt:3000
    0     0 ACCEPT     6    --  !br-1a6252e55e9d br-1a6252e55e9d  0.0.0.0/0            172.20.0.2           tcp dpt:8080
    0     0 ACCEPT     6    --  !br-b1371bc813e3 br-b1371bc813e3  0.0.0.0/0            172.19.0.2           tcp dpt:2500
    0     0 ACCEPT     6    --  !br-6083d8c65b42 br-6083d8c65b42  0.0.0.0/0            192.168.80.2         tcp dpt:9000
    0     0 ACCEPT     6    --  !br-ca9c8e843914 br-ca9c8e843914  0.0.0.0/0            192.168.32.3         tcp dpt:22
    0     0 ACCEPT     6    --  !br-ca9c8e843914 br-ca9c8e843914  0.0.0.0/0            192.168.32.3         tcp dpt:80
    0     0 ACCEPT     6    --  !br-eed726952215 br-eed726952215  0.0.0.0/0            172.18.0.3           tcp dpt:5000
    0     0 ACCEPT     6    --  !br-eed726952215 br-eed726952215  0.0.0.0/0            172.18.0.3           tcp dpt:8554
    0     0 ACCEPT     6    --  !br-eed726952215 br-eed726952215  0.0.0.0/0            172.18.0.3           tcp dpt:8555
    0     0 ACCEPT     17   --  !br-eed726952215 br-eed726952215  0.0.0.0/0            172.18.0.3           udp dpt:8555
    0     0 ACCEPT     6    --  !br-6083d8c65b42 br-6083d8c65b42  0.0.0.0/0            192.168.80.3         tcp dpt:9001
    0     0 ACCEPT     6    --  !br-d56a6c59fbe0 br-d56a6c59fbe0  0.0.0.0/0            192.168.112.3        tcp dpt:2368
    0     0 ACCEPT     6    --  !br-720ab72489d9 br-720ab72489d9  0.0.0.0/0            172.25.0.4           tcp dpt:80
    5   244 ACCEPT     6    --  !br-720ab72489d9 br-720ab72489d9  0.0.0.0/0            172.25.0.4           tcp dpt:443
    0     0 ACCEPT     6    --  !br-720ab72489d9 br-720ab72489d9  0.0.0.0/0            172.25.0.4           tcp dpt:8888
    0     0 ACCEPT     6    --  !br-49b7b99aa265 br-49b7b99aa265  0.0.0.0/0            172.29.0.4           tcp dpt:80
    0     0 ACCEPT     6    --  !br-2bc56dc9b40e br-2bc56dc9b40e  0.0.0.0/0            172.31.1.102         tcp dpt:53
    0     0 ACCEPT     17   --  !br-2bc56dc9b40e br-2bc56dc9b40e  0.0.0.0/0            172.31.1.102         udp dpt:53
    0     0 ACCEPT     6    --  !br-9e74d39fa2c9 br-9e74d39fa2c9  0.0.0.0/0            172.26.0.4           tcp dpt:8080
    0     0 ACCEPT     6    --  !br-49b7b99aa265 br-49b7b99aa265  0.0.0.0/0            172.29.0.5           tcp dpt:3306
    0     0 ACCEPT     17   --  !br-2bc56dc9b40e br-2bc56dc9b40e  0.0.0.0/0            172.31.1.102         udp dpt:67
    0     0 ACCEPT     6    --  !br-2bc56dc9b40e br-2bc56dc9b40e  0.0.0.0/0            172.31.1.102         tcp dpt:80
    0     0 ACCEPT     6    --  !br-49b7b99aa265 br-49b7b99aa265  0.0.0.0/0            172.29.0.2           tcp dpt:3301
    0     0 ACCEPT     6    --  !br-mailcow br-mailcow  0.0.0.0/0            172.22.1.249         tcp dpt:6379
    0     0 ACCEPT     6    --  !br-mailcow br-mailcow  0.0.0.0/0            172.22.1.5           tcp dpt:8983
    0     0 ACCEPT     6    --  !br-mailcow br-mailcow  0.0.0.0/0            172.22.1.6           tcp dpt:3306
    0     0 ACCEPT     6    --  !br-mailcow br-mailcow  0.0.0.0/0            172.22.1.250         tcp dpt:110
    0     0 ACCEPT     6    --  !br-mailcow br-mailcow  0.0.0.0/0            172.22.1.250         tcp dpt:143
    0     0 ACCEPT     6    --  !br-mailcow br-mailcow  0.0.0.0/0            172.22.1.250         tcp dpt:993
    0     0 ACCEPT     6    --  !br-mailcow br-mailcow  0.0.0.0/0            172.22.1.250         tcp dpt:995
    0     0 ACCEPT     6    --  !br-mailcow br-mailcow  0.0.0.0/0            172.22.1.250         tcp dpt:4190
    0     0 ACCEPT     6    --  !br-mailcow br-mailcow  0.0.0.0/0            172.22.1.250         tcp dpt:12345
    0     0 ACCEPT     6    --  !br-mailcow br-mailcow  0.0.0.0/0            172.22.1.8           tcp dpt:52180
    0     0 ACCEPT     6    --  !br-mailcow br-mailcow  0.0.0.0/0            172.22.1.8           tcp dpt:52190
    0     0 ACCEPT     6    --  !br-f83b4226c672 br-f83b4226c672  0.0.0.0/0            192.168.96.2         tcp dpt:80

Chain DOCKER-ISOLATION-STAGE-1 (1 references)
 pkts bytes target     prot opt in     out     source               destination
    0     0 DOCKER-ISOLATION-STAGE-2  0    --  br-mailcow !br-mailcow  0.0.0.0/0            0.0.0.0/0
    0     0 DOCKER-ISOLATION-STAGE-2  0    --  docker0 !docker0  0.0.0.0/0            0.0.0.0/0
    0     0 DOCKER-ISOLATION-STAGE-2  0    --  br-ca9c8e843914 !br-ca9c8e843914  0.0.0.0/0            0.0.0.0/0
    0     0 DOCKER-ISOLATION-STAGE-2  0    --  br-9e74d39fa2c9 !br-9e74d39fa2c9  0.0.0.0/0            0.0.0.0/0
    0     0 DOCKER-ISOLATION-STAGE-2  0    --  br-1c0e4382359c !br-1c0e4382359c  0.0.0.0/0            0.0.0.0/0
    0     0 DOCKER-ISOLATION-STAGE-2  0    --  br-d3c6315441bb !br-d3c6315441bb  0.0.0.0/0            0.0.0.0/0
    0     0 DOCKER-ISOLATION-STAGE-2  0    --  br-6083d8c65b42 !br-6083d8c65b42  0.0.0.0/0            0.0.0.0/0
    0     0 DOCKER-ISOLATION-STAGE-2  0    --  br-4cbd1cc687d4 !br-4cbd1cc687d4  0.0.0.0/0            0.0.0.0/0
    0     0 DOCKER-ISOLATION-STAGE-2  0    --  br-49b7b99aa265 !br-49b7b99aa265  0.0.0.0/0            0.0.0.0/0
    0     0 DOCKER-ISOLATION-STAGE-2  0    --  br-2b281a45c53a !br-2b281a45c53a  0.0.0.0/0            0.0.0.0/0
    0     0 DOCKER-ISOLATION-STAGE-2  0    --  br-1a6252e55e9d !br-1a6252e55e9d  0.0.0.0/0            0.0.0.0/0
    0     0 DOCKER-ISOLATION-STAGE-2  0    --  br-b1371bc813e3 !br-b1371bc813e3  0.0.0.0/0            0.0.0.0/0
    0     0 DOCKER-ISOLATION-STAGE-2  0    --  br-9f77e96147b6 !br-9f77e96147b6  0.0.0.0/0            0.0.0.0/0
    0     0 DOCKER-ISOLATION-STAGE-2  0    --  br-6553f9280c47 !br-6553f9280c47  0.0.0.0/0            0.0.0.0/0
   83  4316 DOCKER-ISOLATION-STAGE-2  0    --  br-eed726952215 !br-eed726952215  0.0.0.0/0            0.0.0.0/0
    0     0 DOCKER-ISOLATION-STAGE-2  0    --  br-d56a6c59fbe0 !br-d56a6c59fbe0  0.0.0.0/0            0.0.0.0/0
    0     0 DOCKER-ISOLATION-STAGE-2  0    --  br-975c73e0ca36 !br-975c73e0ca36  0.0.0.0/0            0.0.0.0/0
    0     0 DOCKER-ISOLATION-STAGE-2  0    --  br-720ab72489d9 !br-720ab72489d9  0.0.0.0/0            0.0.0.0/0
    0     0 DOCKER-ISOLATION-STAGE-2  0    --  br-f83b4226c672 !br-f83b4226c672  0.0.0.0/0            0.0.0.0/0
    0     0 DOCKER-ISOLATION-STAGE-2  0    --  br-b91cbacdf824 !br-b91cbacdf824  0.0.0.0/0            0.0.0.0/0
    0     0 DOCKER-ISOLATION-STAGE-2  0    --  br-3fabc97e7faa !br-3fabc97e7faa  0.0.0.0/0            0.0.0.0/0
    0     0 DOCKER-ISOLATION-STAGE-2  0    --  br-3e4962347c8a !br-3e4962347c8a  0.0.0.0/0            0.0.0.0/0
    0     0 DOCKER-ISOLATION-STAGE-2  0    --  br-2bc56dc9b40e !br-2bc56dc9b40e  0.0.0.0/0            0.0.0.0/0
    0     0 DOCKER-ISOLATION-STAGE-2  0    --  br-06209d87f975 !br-06209d87f975  0.0.0.0/0            0.0.0.0/0
  183  136K RETURN     0    --  *      *       0.0.0.0/0            0.0.0.0/0

Chain DOCKER-ISOLATION-STAGE-2 (24 references)
 pkts bytes target     prot opt in     out     source               destination
    0     0 DROP       0    --  *      br-mailcow  0.0.0.0/0            0.0.0.0/0
    0     0 DROP       0    --  *      docker0  0.0.0.0/0            0.0.0.0/0
    0     0 DROP       0    --  *      br-ca9c8e843914  0.0.0.0/0            0.0.0.0/0
    0     0 DROP       0    --  *      br-9e74d39fa2c9  0.0.0.0/0            0.0.0.0/0
    0     0 DROP       0    --  *      br-1c0e4382359c  0.0.0.0/0            0.0.0.0/0
    0     0 DROP       0    --  *      br-d3c6315441bb  0.0.0.0/0            0.0.0.0/0
    0     0 DROP       0    --  *      br-6083d8c65b42  0.0.0.0/0            0.0.0.0/0
    0     0 DROP       0    --  *      br-4cbd1cc687d4  0.0.0.0/0            0.0.0.0/0
    0     0 DROP       0    --  *      br-49b7b99aa265  0.0.0.0/0            0.0.0.0/0
    0     0 DROP       0    --  *      br-2b281a45c53a  0.0.0.0/0            0.0.0.0/0
    0     0 DROP       0    --  *      br-1a6252e55e9d  0.0.0.0/0            0.0.0.0/0
    0     0 DROP       0    --  *      br-b1371bc813e3  0.0.0.0/0            0.0.0.0/0
    0     0 DROP       0    --  *      br-9f77e96147b6  0.0.0.0/0            0.0.0.0/0
    0     0 DROP       0    --  *      br-6553f9280c47  0.0.0.0/0            0.0.0.0/0
    0     0 DROP       0    --  *      br-eed726952215  0.0.0.0/0            0.0.0.0/0
    0     0 DROP       0    --  *      br-d56a6c59fbe0  0.0.0.0/0            0.0.0.0/0
    0     0 DROP       0    --  *      br-975c73e0ca36  0.0.0.0/0            0.0.0.0/0
    0     0 DROP       0    --  *      br-720ab72489d9  0.0.0.0/0            0.0.0.0/0
    0     0 DROP       0    --  *      br-f83b4226c672  0.0.0.0/0            0.0.0.0/0
    0     0 DROP       0    --  *      br-b91cbacdf824  0.0.0.0/0            0.0.0.0/0
    0     0 DROP       0    --  *      br-3fabc97e7faa  0.0.0.0/0            0.0.0.0/0
    0     0 DROP       0    --  *      br-3e4962347c8a  0.0.0.0/0            0.0.0.0/0
    0     0 DROP       0    --  *      br-2bc56dc9b40e  0.0.0.0/0            0.0.0.0/0
    0     0 DROP       0    --  *      br-06209d87f975  0.0.0.0/0            0.0.0.0/0
   83  4316 RETURN     0    --  *      *       0.0.0.0/0            0.0.0.0/0

Chain DOCKER-USER (1 references)
 pkts bytes target     prot opt in     out     source               destination
 684K  570M ACCEPT     0    --  *      *       0.0.0.0/0            0.0.0.0/0            ctstate RELATED,ESTABLISHED
    0     0 DROP       0    --  *      *       0.0.0.0/0            0.0.0.0/0            ctstate INVALID
    8   480 ACCEPT     6    --  *      *       0.0.0.0/0            0.0.0.0/0            tcp dpt:53 /* DNS TCP */
 2670  180K ACCEPT     17   --  *      *       0.0.0.0/0            0.0.0.0/0            udp dpt:53 /* DNS UDP */
    0     0 ACCEPT     6    --  *      *       0.0.0.0/0            0.0.0.0/0            tcp dpt:25 /* Email (SMTP_PORT) */
    0     0 ACCEPT     6    --  *      *       0.0.0.0/0            0.0.0.0/0            tcp dpt:465 /* Email (SMTPS_PORT) */
   11   660 ACCEPT     6    --  *      *       0.0.0.0/0            0.0.0.0/0            tcp dpt:587 /* Email (SUBMISSION_PORT) */
    1    60 ACCEPT     6    --  *      *       0.0.0.0/0            0.0.0.0/0            tcp dpt:143 /* Email (IMAP_PORT) */
   44  2632 ACCEPT     6    --  *      *       0.0.0.0/0            0.0.0.0/0            tcp dpt:993 /* Email (IMAPS_PORT) */
    0     0 ACCEPT     6    --  *      *       0.0.0.0/0            0.0.0.0/0            tcp dpt:110 /* Email (POP_PORT) */
    0     0 ACCEPT     6    --  *      *       0.0.0.0/0            0.0.0.0/0            tcp dpt:995 /* Email (POPS_PORT) */
    0     0 ACCEPT     6    --  *      *       0.0.0.0/0            0.0.0.0/0            tcp dpt:4190 /* Email (SIEVE_PORT) */
  879 53760 ACCEPT     0    --  *      *       0.0.0.0/0            0.0.0.0/0            match-set WHITELIST src
    0     0 DROP       0    --  *      *       0.0.0.0/0            0.0.0.0/0            match-set BLACKLIST src
    0     0 DROP       0    --  *      *       0.0.0.0/0            0.0.0.0/0            match-set FIREHOL src
    5   244 RETURN     0    --  *      *       0.0.0.0/0            0.0.0.0/0

Chain MAILCOW (2 references)
 pkts bytes target     prot opt in     out     source               destination
    0     0 DROP       6    --  !br-mailcow br-mailcow  0.0.0.0/0            0.0.0.0/0            /* mailcow isolation */

Chain f2b-sshd (1 references)
 pkts bytes target     prot opt in     out     source               destination

Logs of ip6tables -L -vn:

Chain INPUT (policy ACCEPT 1611 packets, 236K bytes)
 pkts bytes target     prot opt in     out     source               destination
  617 73166 MAILCOW    0    --  *      *       ::/0                 ::/0                 /* mailcow */

Chain FORWARD (policy DROP 0 packets, 0 bytes)
 pkts bytes target     prot opt in     out     source               destination
 3946 3136K MAILCOW    0    --  *      *       ::/0                 ::/0                 /* mailcow */
 3961 3137K DOCKER-USER  0    --  *      *       ::/0                 ::/0
 3961 3137K DOCKER-ISOLATION-STAGE-1  0    --  *      *       ::/0                 ::/0
 1477 2964K ACCEPT     0    --  *      br-mailcow  ::/0                 ::/0                 ctstate RELATED,ESTABLISHED
 2484  173K DOCKER     0    --  *      br-mailcow  ::/0                 ::/0
    0     0 ACCEPT     0    --  br-mailcow !br-mailcow  ::/0                 ::/0
 2484  173K ACCEPT     0    --  br-mailcow br-mailcow  ::/0                 ::/0
    0     0 ACCEPT     0    --  *      docker0  ::/0                 ::/0                 ctstate RELATED,ESTABLISHED
    0     0 DOCKER     0    --  *      docker0  ::/0                 ::/0
    0     0 ACCEPT     0    --  docker0 !docker0  ::/0                 ::/0
    0     0 ACCEPT     0    --  docker0 docker0  ::/0                 ::/0

Chain OUTPUT (policy ACCEPT 2376 packets, 322K bytes)
 pkts bytes target     prot opt in     out     source               destination

Chain DOCKER (2 references)
 pkts bytes target     prot opt in     out     source               destination
    0     0 ACCEPT     6    --  !docker0 docker0  ::/0                 fd00:dead:beef:c0:0:21f:fb6d:56c1  tcp dpt:80
    0     0 ACCEPT     6    --  !br-mailcow br-mailcow  ::/0                 fd4d:6169:6c63:6f77::b  tcp dpt:110
    0     0 ACCEPT     6    --  !br-mailcow br-mailcow  ::/0                 fd4d:6169:6c63:6f77::b  tcp dpt:143
    0     0 ACCEPT     6    --  !br-mailcow br-mailcow  ::/0                 fd4d:6169:6c63:6f77::b  tcp dpt:993
    0     0 ACCEPT     6    --  !br-mailcow br-mailcow  ::/0                 fd4d:6169:6c63:6f77::b  tcp dpt:995
    0     0 ACCEPT     6    --  !br-mailcow br-mailcow  ::/0                 fd4d:6169:6c63:6f77::b  tcp dpt:4190
    0     0 ACCEPT     6    --  !br-mailcow br-mailcow  ::/0                 fd4d:6169:6c63:6f77::c  tcp dpt:52180
    0     0 ACCEPT     6    --  !br-mailcow br-mailcow  ::/0                 fd4d:6169:6c63:6f77::c  tcp dpt:52190

Chain DOCKER-ISOLATION-STAGE-1 (1 references)
 pkts bytes target     prot opt in     out     source               destination
    0     0 DOCKER-ISOLATION-STAGE-2  0    --  br-mailcow !br-mailcow  ::/0                 ::/0
    0     0 DOCKER-ISOLATION-STAGE-2  0    --  docker0 !docker0  ::/0                 ::/0
    0     0 DOCKER-ISOLATION-STAGE-2  0    --  br-ca9c8e843914 !br-ca9c8e843914  ::/0                 ::/0
    0     0 DOCKER-ISOLATION-STAGE-2  0    --  br-9e74d39fa2c9 !br-9e74d39fa2c9  ::/0                 ::/0
    0     0 DOCKER-ISOLATION-STAGE-2  0    --  br-1c0e4382359c !br-1c0e4382359c  ::/0                 ::/0
    0     0 DOCKER-ISOLATION-STAGE-2  0    --  br-d3c6315441bb !br-d3c6315441bb  ::/0                 ::/0
    0     0 DOCKER-ISOLATION-STAGE-2  0    --  br-6083d8c65b42 !br-6083d8c65b42  ::/0                 ::/0
    0     0 DOCKER-ISOLATION-STAGE-2  0    --  br-4cbd1cc687d4 !br-4cbd1cc687d4  ::/0                 ::/0
    0     0 DOCKER-ISOLATION-STAGE-2  0    --  br-49b7b99aa265 !br-49b7b99aa265  ::/0                 ::/0
    0     0 DOCKER-ISOLATION-STAGE-2  0    --  br-2b281a45c53a !br-2b281a45c53a  ::/0                 ::/0
    0     0 DOCKER-ISOLATION-STAGE-2  0    --  br-1a6252e55e9d !br-1a6252e55e9d  ::/0                 ::/0
    0     0 DOCKER-ISOLATION-STAGE-2  0    --  br-b1371bc813e3 !br-b1371bc813e3  ::/0                 ::/0
    0     0 DOCKER-ISOLATION-STAGE-2  0    --  br-9f77e96147b6 !br-9f77e96147b6  ::/0                 ::/0
    0     0 DOCKER-ISOLATION-STAGE-2  0    --  br-6553f9280c47 !br-6553f9280c47  ::/0                 ::/0
    0     0 DOCKER-ISOLATION-STAGE-2  0    --  br-eed726952215 !br-eed726952215  ::/0                 ::/0
    0     0 DOCKER-ISOLATION-STAGE-2  0    --  br-d56a6c59fbe0 !br-d56a6c59fbe0  ::/0                 ::/0
    0     0 DOCKER-ISOLATION-STAGE-2  0    --  br-975c73e0ca36 !br-975c73e0ca36  ::/0                 ::/0
    0     0 DOCKER-ISOLATION-STAGE-2  0    --  br-720ab72489d9 !br-720ab72489d9  ::/0                 ::/0
    0     0 DOCKER-ISOLATION-STAGE-2  0    --  br-f83b4226c672 !br-f83b4226c672  ::/0                 ::/0
    0     0 DOCKER-ISOLATION-STAGE-2  0    --  br-b91cbacdf824 !br-b91cbacdf824  ::/0                 ::/0
    0     0 DOCKER-ISOLATION-STAGE-2  0    --  br-3fabc97e7faa !br-3fabc97e7faa  ::/0                 ::/0
    0     0 DOCKER-ISOLATION-STAGE-2  0    --  br-3e4962347c8a !br-3e4962347c8a  ::/0                 ::/0
    0     0 DOCKER-ISOLATION-STAGE-2  0    --  br-2bc56dc9b40e !br-2bc56dc9b40e  ::/0                 ::/0
    0     0 DOCKER-ISOLATION-STAGE-2  0    --  br-06209d87f975 !br-06209d87f975  ::/0                 ::/0
 3961 3137K RETURN     0    --  *      *       ::/0                 ::/0

Chain DOCKER-ISOLATION-STAGE-2 (24 references)
 pkts bytes target     prot opt in     out     source               destination
    0     0 DROP       0    --  *      br-mailcow  ::/0                 ::/0
    0     0 DROP       0    --  *      docker0  ::/0                 ::/0
    0     0 DROP       0    --  *      br-ca9c8e843914  ::/0                 ::/0
    0     0 DROP       0    --  *      br-9e74d39fa2c9  ::/0                 ::/0
    0     0 DROP       0    --  *      br-1c0e4382359c  ::/0                 ::/0
    0     0 DROP       0    --  *      br-d3c6315441bb  ::/0                 ::/0
    0     0 DROP       0    --  *      br-6083d8c65b42  ::/0                 ::/0
    0     0 DROP       0    --  *      br-4cbd1cc687d4  ::/0                 ::/0
    0     0 DROP       0    --  *      br-49b7b99aa265  ::/0                 ::/0
    0     0 DROP       0    --  *      br-2b281a45c53a  ::/0                 ::/0
    0     0 DROP       0    --  *      br-1a6252e55e9d  ::/0                 ::/0
    0     0 DROP       0    --  *      br-b1371bc813e3  ::/0                 ::/0
    0     0 DROP       0    --  *      br-9f77e96147b6  ::/0                 ::/0
    0     0 DROP       0    --  *      br-6553f9280c47  ::/0                 ::/0
    0     0 DROP       0    --  *      br-eed726952215  ::/0                 ::/0
    0     0 DROP       0    --  *      br-d56a6c59fbe0  ::/0                 ::/0
    0     0 DROP       0    --  *      br-975c73e0ca36  ::/0                 ::/0
    0     0 DROP       0    --  *      br-720ab72489d9  ::/0                 ::/0
    0     0 DROP       0    --  *      br-f83b4226c672  ::/0                 ::/0
    0     0 DROP       0    --  *      br-b91cbacdf824  ::/0                 ::/0
    0     0 DROP       0    --  *      br-3fabc97e7faa  ::/0                 ::/0
    0     0 DROP       0    --  *      br-3e4962347c8a  ::/0                 ::/0
    0     0 DROP       0    --  *      br-2bc56dc9b40e  ::/0                 ::/0
    0     0 DROP       0    --  *      br-06209d87f975  ::/0                 ::/0
    0     0 RETURN     0    --  *      *       ::/0                 ::/0

Chain DOCKER-USER (1 references)
 pkts bytes target     prot opt in     out     source               destination
 3961 3137K RETURN     0    --  *      *       ::/0                 ::/0

Chain MAILCOW (2 references)
 pkts bytes target     prot opt in     out     source               destination

Logs of iptables -L -vn -t nat:

cant post, topic would be too long

Logs of ip6tables -L -vn -t nat:

cant post, topic would be too long

DNS check:

172.64.155.249
104.18.32.7

The text was updated successfully, but these errors were encountered:

DerLinkman · 2024-07-11T09:03:12Z

I'm sorry without logs i cannot do anything to help you...

But it does not sound like a bug to me...

milkmaker · 2024-07-11T09:03:34Z

THIS IS A AUTOMATED MESSAGE!

It seems your issue is not a bug.
Therefore we highly advise you to get support!

You can get support either by:

ordering a paid support contract at Servercow (Directly from the developers) or
using the community forum (Based on volunteers! NO guaranteed answer) or
using the Telegram support channel (Based on volunteers! NO guaranteed answer)

This issue will be closed. If you think your reported issue is not a support case feel free to comment above and if so the issue will reopened.

aronmgv added the bug label Jul 10, 2024

DerLinkman added support please consider asking at https://community.mailcow.email/ or https://t.me/mailcow and removed bug labels Jul 11, 2024

milkmaker closed this as not planned Won't fix, can't repro, duplicate, stale Jul 11, 2024

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Postfix container stuck at starting #5947

Postfix container stuck at starting #5947

aronmgv commented Jul 10, 2024

DerLinkman commented Jul 11, 2024

milkmaker commented Jul 11, 2024

Postfix container stuck at starting #5947

Postfix container stuck at starting #5947

Comments

aronmgv commented Jul 10, 2024

Contribution guidelines

I've found a bug and checked that ...

Description

Steps to reproduce:

Which branch are you using?

Which architecture are you using?

Operating System:

Server/VM specifications:

Is Apparmor, SELinux or similar active?

Virtualization technology:

Docker version:

docker-compose version or docker compose version:

mailcow version:

Reverse proxy:

Logs of git diff:

Logs of iptables -L -vn:

Logs of ip6tables -L -vn:

Logs of iptables -L -vn -t nat:

Logs of ip6tables -L -vn -t nat:

DNS check:

DerLinkman commented Jul 11, 2024

milkmaker commented Jul 11, 2024