Comments (20)
dragoangel
commented on May 23, 2024
You need run curl -6 https://ifconfig.me/ from host and from docker compose exec postfix-mailcow curl -6 https://ifconfig.me/
from mailcow-dockerized.
dragoangel
commented on May 23, 2024
Did you tried running ./update.sh and did you removed old IPv6 nat stuff and properly set /etc/docker/daemon.json to work with ipv6?
from mailcow-dockerized.
7zx
commented on May 23, 2024
Did you tried running
./update.shand did you removed old IPv6 nat stuff and properly set/etc/docker/daemon.jsonto work with ipv6?
Regarding the output from the commands:
root@mail:/opt/mailcow-dockerized# curl -6 https://ifconfig.me/
2a03:0:142:0:bad:c0de:39ac:29ad
root@mail:/opt/mailcow-dockerized#
root@mail:/opt/mailcow-dockerized# docker compose exec postfix-mailcow curl -6 https://ifconfig.me/
2a03:0:142:0:bad:c0de:39ac:29ad
root@mail:/opt/mailcow-dockerized#
IPv6 NAT was recommended during after i first ran the ./update.sh command, and I attempted to configure IPv6 without it, encountering the same issue. Additionally, I did not modify /etc/docker/daemon.json, assuming that Mailcow would handle this automatically, similar to how it managed IPv4.
The daemon.json file contains the following:
{"ipv6":true,"fixed-cidr-v6":"fd00:dead:beef:c0::/80","experimental":true,"ip6tables":true}
I have also executed the ./update.sh command multiple times without resolving the IPv6 connectivity problem.
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dragoangel
commented on May 23, 2024
Did you tried running
./update.shand did you removed old IPv6 nat stuff and properly set/etc/docker/daemon.jsonto work with ipv6?Regarding the output from the commands:
root@mail:/opt/mailcow-dockerized# curl -6 https://ifconfig.me/ 2a03:0:142:0:bad:c0de:39ac:29ad root@mail:/opt/mailcow-dockerized# root@mail:/opt/mailcow-dockerized# docker compose exec postfix-mailcow curl -6 https://ifconfig.me/ 2a03:0:142:0:bad:c0de:39ac:29ad root@mail:/opt/mailcow-dockerized#IPv6 NAT was recommended during after i first ran the
./update.shcommand, and I attempted to configure IPv6 without it, encountering the same issue. Additionally, I did not modify/etc/docker/daemon.json, assuming that Mailcow would handle this automatically, similar to how it managed IPv4.The
daemon.jsonfile contains the following:{"ipv6":true,"fixed-cidr-v6":"fd00:dead:beef:c0::/80","experimental":true,"ip6tables":true}I have also executed the
./update.shcommand multiple times without resolving the IPv6 connectivity problem.
Em... you have working IPv6, at least from container... Did you tried send mail to gmail and check over which IP you would receive it? Also what you see in ACME? Do ACME container detect IPv6 properly?
I see that you accepting connection over IPv6 without issues...
from mailcow-dockerized.
7zx
commented on May 23, 2024
Did you tried send mail to gmail and check over which IP you would receive it?
ARC-Authentication-Results: i=1; mx.google.com;
dkim=pass [email protected] header.s=dkim header.b=gZjpwXpe;
spf=pass (google.com: domain of [email protected] designates 185.113.142.56 as permitted sender) [email protected];
dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=polido.pt
Return-Path: <[email protected]>
Received: from mail.polido.pt (mail.polido.pt. [185.113.142.56])
by mx.google.com with ESMTPS id f8-20020a05600c4e8800b0041907540685si10467857wmq.129.2024.04.27.08.53.13
for <[email protected]>
(version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256);
Sat, 27 Apr 2024 08:53:13 -0700 (PDT)
Received-SPF: pass (google.com: domain of [email protected] designates 185.113.142.56 as permitted sender) client-ip=185.113.142.56;
Authentication-Results: mx.google.com;
dkim=pass [email protected] header.s=dkim header.b=gZjpwXpe;
spf=pass (google.com: domain of [email protected] designates 185.113.142.56 as permitted sender) [email protected];
dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=polido.pt
Do ACME container detect IPv6 properly?
root@mail:~# ip -6 addr show
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 state UNKNOWN qlen 1000
inet6 ::1/128 scope host
valid_lft forever preferred_lft forever
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 state UP qlen 1000
inet6 2a03:0:142:0:bad:c0de:39ac:29ad/64 scope global
valid_lft forever preferred_lft forever
inet6 fe80::216:3cff:fe57:b4dc/64 scope link
valid_lft forever preferred_lft forever
3: docker0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 state DOWN
inet6 fd00:dead:beef:c0::1/80 scope global tentative
valid_lft forever preferred_lft forever
inet6 fe80::1/64 scope link tentative
valid_lft forever preferred_lft forever
4: br-mailcow: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 state UP
inet6 fd4d:6169:6c63:6f77::1/64 scope global
valid_lft forever preferred_lft forever
inet6 fe80::42:10ff:fef2:e203/64 scope link
valid_lft forever preferred_lft forever
inet6 fe80::1/64 scope link
valid_lft forever preferred_lft forever
6: veth5c807e5@if5: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 state UP
inet6 fe80::a8ee:faff:feb1:dcf7/64 scope link
valid_lft forever preferred_lft forever
8: veth672d9f7@if7: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 state UP
inet6 fe80::602f:3cff:fe7f:188c/64 scope link
valid_lft forever preferred_lft forever
10: veth63c75a9@if9: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 state UP
inet6 fe80::ac72:4cff:fef6:3230/64 scope link
valid_lft forever preferred_lft forever
12: vethb927b2f@if11: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 state UP
inet6 fe80::54bd:9dff:feb2:f8b6/64 scope link
valid_lft forever preferred_lft forever
14: veth11ed4a5@if13: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 state UP
inet6 fe80::4ceb:71ff:febf:4a7f/64 scope link
valid_lft forever preferred_lft forever
16: vetha8817de@if15: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 state UP
inet6 fe80::7c75:33ff:fe08:fcc0/64 scope link
valid_lft forever preferred_lft forever
18: veth6c860fb@if17: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 state UP
inet6 fe80::44d0:60ff:fe21:e781/64 scope link
valid_lft forever preferred_lft forever
20: veth31ab411@if19: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 state UP
inet6 fe80::14bf:8fff:fed0:64d3/64 scope link
valid_lft forever preferred_lft forever
22: veth6f5ccff@if21: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 state UP
inet6 fe80::f08c:7bff:fed4:7b7c/64 scope link
valid_lft forever preferred_lft forever
24: vethc2a7e7d@if23: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 state UP
inet6 fe80::54c6:ffff:feda:ee29/64 scope link
valid_lft forever preferred_lft forever
26: veth4b2bdf2@if25: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 state UP
inet6 fe80::5e:57ff:fee9:635f/64 scope link
valid_lft forever preferred_lft forever
28: veth3c98b74@if27: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 state UP
inet6 fe80::b418:fdff:fefa:b737/64 scope link
valid_lft forever preferred_lft forever
30: veth0d4b122@if29: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 state UP
inet6 fe80::f053:a9ff:fe0d:a64a/64 scope link
valid_lft forever preferred_lft forever
32: vethfb9312f@if31: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 state UP
inet6 fe80::cf2:a4ff:fe23:c780/64 scope link
valid_lft forever preferred_lft forever
34: vethb393ca0@if33: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 state UP
inet6 fe80::70b4:6fff:febf:342a/64 scope link
valid_lft forever preferred_lft forever
36: veth38f5a18@if35: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 state UP
inet6 fe80::cccb:86ff:fe0b:4a15/64 scope link
valid_lft forever preferred_lft forever
38: veth1d99276@if37: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 state UP
inet6 fe80::3a:52ff:fe61:2db8/64 scope link
valid_lft forever preferred_lft forever
root@mail:~# docker exec -it mailcowdockerized-acme-mailcow-1 /bin/bash
1230f1835b64:/# ip -6 addr show
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 state UNKNOWN qlen 1000
inet6 ::1/128 scope host
valid_lft forever preferred_lft forever
23: eth0@if24: <BROADCAST,MULTICAST,UP,LOWER_UP,M-DOWN> mtu 1500 state UP
inet6 fd4d:6169:6c63:6f77::b/64 scope global flags 02
valid_lft forever preferred_lft forever
inet6 fe80::42:acff:fe16:109/64 scope link
valid_lft forever preferred_lft forever
1230f1835b64:/# ping6 ipv6.google.com
PING ipv6.google.com (2a00:1450:4003:808::200e): 56 data bytes
64 bytes from 2a00:1450:4003:808::200e: seq=0 ttl=120 time=10.671 ms
64 bytes from 2a00:1450:4003:808::200e: seq=1 ttl=120 time=10.631 ms
64 bytes from 2a00:1450:4003:808::200e: seq=2 ttl=120 time=10.773 ms
64 bytes from 2a00:1450:4003:808::200e: seq=3 ttl=120 time=10.645 ms
^C
--- ipv6.google.com ping statistics ---
4 packets transmitted, 4 packets received, 0% packet loss
round-trip min/avg/max = 10.631/10.680/10.773 ms
1230f1835b64:/#
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dragoangel
commented on May 23, 2024
I mean acme logs, and about postfix: you sure you not set stuff like prefer ipv4 etc? I don't see any reason why you have it not working as it already works even in inside container
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7zx
commented on May 23, 2024
I don't see any reason why you have it not working as it already works even in inside container
Because this is a bug and it should be reported? I've also included the ACME logs above... While the service is functional, the intention is for it to display my IPv4 and IPv6 on the Mailcow UI and operate with both IPv4 and IPv6 since both are enabled on my server and set on my DNS records and currently, this isn't fully reflected, which is why I'm trying to find out why this is happening.
Here are my ACME logs again:
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dragoangel
commented on May 23, 2024
Did you tried to reproduce same cli commands I referred couple of comments ago?
local IPV6=
local IPV6_SRCS=
local TRY=
IPV6_SRCS[0]="ip6.mailcow.email"
IPV6_SRCS[1]="ip6.nevondo.com"
until [[ ! -z ${IPV6} ]] || [[ ${TRY} -ge 10 ]]; do
IPV6=$(curl --connect-timeout 3 -m 10 -L6s ${IPV6_SRCS[$RANDOM % ${#IPV6_SRCS[@]} ]} | grep "^\([0-9a-fA-F]\{0,4\}:\)\{1,7\}[0-9a-fA-F]\{0,4\}$")
[[ ! -z ${TRY} ]] && sleep 1
TRY=$((TRY+1))
done
echo ${IPV6}from mailcow-dockerized.
7zx
commented on May 23, 2024
What command? Isn't this from:
from mailcow-dockerized.
dragoangel
commented on May 23, 2024
Btw 2gb and 1 core? Sorry but you need expect ooms very strongly
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7zx
commented on May 23, 2024
Btw 2gb and 1 core? Sorry but you need expect ooms very strongly
How is this related to my IPv6 issue 😂? Also regarding the server specs, I receive and send over 100 emails daily without encountering any issues. The server operates smoothly despite running on 2GB RAM and 1 core.
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dragoangel
commented on May 23, 2024
Btw 2gb and 1 core? Sorry but you need expect ooms very strongly
How is this related to my IPv6 issue 😂? Also regarding the server specs, I receive and send over 100 emails daily without encountering any issues. The server operates smoothly despite running on 2GB RAM and 1 core.
It's not related. But any separate software from bunch mailcow contains by itself easily can consume all your ram, especially dovecot, rspamd, not speaking about clamav.
About your issue with ipv6 you still not tried what I asked or not provided details?
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7zx
commented on May 23, 2024
I didn’t understand what you want me to do, can you reformulate?
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dragoangel
commented on May 23, 2024
Just run commands one by one from function that get ipv6 in acme.sh, aka debug. On host and in container
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7zx
commented on May 23, 2024
Just run commands one by one from function that get ipv6 in acme.sh, aka debug. On host and in container
OK: 185.113.142.56, 0000:0000:0000:0000:0000:0000:0000:0000
Found AAAA record for autodiscover.polido.pt: 2a03:0:142:0:bad:c0de:39ac:29ad - skipping A record check
Cannot match your IP 0000:0000:0000:0000:0000:0000:0000:0000 against hostname autodiscover.polido.pt (DNS returned 2a03:0000:0142:0000:0bad:c0de:39ac:29ad)
Found AAAA record for autoconfig.polido.pt: 2a03:0:142:0:bad:c0de:39ac:29ad - skipping A record check
Cannot match your IP 0000:0000:0000:0000:0000:0000:0000:0000 against hostname autoconfig.polido.pt (DNS returned 2a03:0000:0142:0000:0bad:c0de:39ac:29ad)
Found AAAA record for mail.polido.pt: 2a03:0:142:0:bad:c0de:39ac:29ad - skipping A record check
Cannot match your IP 0000:0000:0000:0000:0000:0000:0000:0000 against hostname mail.polido.pt (DNS returned 2a03:0000:0142:0000:0bad:c0de:39ac:29ad)
Cannot validate any hostnames, skipping Let's Encrypt for 1 hour.
Use SKIP_LETS_ENCRYPT=y in mailcow.conf to skip it permanently.
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dragoangel
commented on May 23, 2024
What you have when doing just basic curl ip6.mailcow.email and curl ip6.nevondo.com?
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7zx
commented on May 23, 2024
What you have when doing just basic
curl ip6.mailcow.emailandcurl ip6.nevondo.com?
timeout outside and inside the acme container
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dragoangel
commented on May 23, 2024
What you have when doing just basic
curl ip6.mailcow.emailandcurl ip6.nevondo.com?timeout outside and inside the acme container
Then this totally explains why mailcow can't detect IP. Did you contacted your ISP about that you can't reach this resources?
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milkmaker
commented on May 23, 2024
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.
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dragoangel
commented on May 23, 2024
ups :D
anyway, it's really not a place to discuss network connectivity issues. You need get this ips working.
@DerLinkman is there is a chance that somebody could be banned on firewall etc in front of this resources? I think - no
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