Hello, I just installed using the docker installer and the mail services are only reachable from server using localhost. If I try to connect (using telnet) via my NICs ip address I get connection refused.

All docker services are listening on 0.0.0.0. Is this an issue with the docker firewall configuration? How do I expose these services externally?

docker ps:
8a3b9e6159ce mailcow/postfix:1.66 "/docker-entrypoint.…" 12 hours ago Up 19 seconds 0.0.0.0:25->25/tcp, :::25->25/tcp, 0.0.0.0:465->465/tcp, :::465->465/tcp, 0.0.0.0:587->587/tcp, :::587->587/tcp, 588/tcp > 3917e1c0deb0 mailcow/dovecot:1.162 "/docker-entrypoint.…" 12 hours ago Up 5 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->9> 04207cdecb1e nginx:mainline-alpine "/docker-entrypoint.…" 12 hours ago Up 12 hours 0.0.0.0:80->80/tcp, :::80->80/tcp, 127.0.0.1:8443->8443/tcp >

iptables –list
`
Warning: iptables-legacy tables present, use iptables-legacy to see them
Chain INPUT (policy ACCEPT)
target prot opt source destination

Chain FORWARD (policy DROP)
target prot opt source destination
DOCKER-USER all – anywhere anywhere
DOCKER-ISOLATION-STAGE-1 all – anywhere anywhere
ACCEPT all – anywhere anywhere ctstate RELATED,ESTABLISHED
DOCKER all – anywhere anywhere
ACCEPT all – anywhere anywhere
ACCEPT all – anywhere anywhere
ACCEPT all – anywhere anywhere ctstate RELATED,ESTABLISHED
DOCKER all – anywhere anywhere
ACCEPT all – anywhere anywhere
ACCEPT all – anywhere anywhere

Chain OUTPUT (policy ACCEPT)
target prot opt source destination

Chain DOCKER (2 references)
target prot opt source destination
ACCEPT tcp – anywhere 172.22.1.249 tcp dpt:redis
ACCEPT tcp – anywhere 172.22.1.6 tcp dpt:8983
ACCEPT tcp – anywhere 172.22.1.9 tcp dpt:mysql
ACCEPT tcp – anywhere 172.22.1.10 tcp dpt:8443
ACCEPT tcp – anywhere 172.22.1.10 tcp dpt:http
ACCEPT tcp – anywhere 172.22.1.253 tcp dpt:submission
ACCEPT tcp – anywhere 172.22.1.253 tcp dpt:submissions
ACCEPT tcp – anywhere 172.22.1.253 tcp dpt:smtp
ACCEPT tcp – anywhere 172.22.1.250 tcp dpt:12345
ACCEPT tcp – anywhere 172.22.1.250 tcp dpt:sieve
ACCEPT tcp – anywhere 172.22.1.250 tcp dpt:pop3s
ACCEPT tcp – anywhere 172.22.1.250 tcp dpt:imaps
ACCEPT tcp – anywhere 172.22.1.250 tcp dpt:imap2
ACCEPT tcp – anywhere 172.22.1.250 tcp dpt:pop3

Chain DOCKER-ISOLATION-STAGE-1 (1 references)
target prot opt source destination
DOCKER-ISOLATION-STAGE-2 all – anywhere anywhere
DOCKER-ISOLATION-STAGE-2 all – anywhere anywhere
RETURN all – anywhere anywhere

Chain DOCKER-ISOLATION-STAGE-2 (2 references)
target prot opt source destination
DROP all – anywhere anywhere
DROP all – anywhere anywhere
RETURN all – anywhere anywhere

Chain DOCKER-USER (1 references)
target prot opt source destination
RETURN all – anywhere anywhere
`