LE . Am dezinstalat docker din snap instalat din apt. Nici o
imbunatarire ! Mailcow inainte sa lansez docker compose face un script
de setup. In ultima instanta ma gandesc sa nu ia ceva acolo din resolv.conf
Paul
On 29.08.2023 19:09, Paul Lacatus via RLUG wrote:
On 29.08.2023 18:53, a via RLUG wrote:
incearca si un restart la docker.service dupa modificarea resolv.conf
(eventual si containerd.service)
poate are vreun cache cu versiunea veche
Docker e instalat pe vps din snap. Am incercat snap restart docker, ok
dar masinaria tot nu merge. Am si rebootat sistemul dupa update de
kernel
root@mail:~# docker exec -it mailcowdockerized-postfix-mailcow-1
nslookup mail.hidroelectrica.ro
;; connection timed out; no servers could be reached
root@mail:~# docker exec -it mailcowdockerized-postfix-mailcow-1
nslookup mail.paul-lacatus.ro
Server: 127.0.0.11
Address: 127.0.0.11#53
Non-authoritative answer:
Name: mail.paul-lacatus.ro
Address: 46.214.204.147
si din host
root@mail:~# dig mx hidroelectrica.ro
; <<>> DiG 9.18.12-0ubuntu0.22.04.2-Ubuntu <<>> mx hidroelectrica.ro
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 45473
;; flags: qr rd ra; QUERY: 1, ANSWER: 5, AUTHORITY: 0, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 1232
;; QUESTION SECTION:
;hidroelectrica.ro. IN MX
;; ANSWER SECTION:
hidroelectrica.ro. 3600 IN MX 10 mail0.hidroelectrica.ro.
hidroelectrica.ro. 3600 IN MX 10 mail1.hidroelectrica.ro.
hidroelectrica.ro. 3600 IN MX 0
hidroelectrica-ro.mail.protection.outlook.com.
hidroelectrica.ro. 3600 IN MX 50 mail.hidroelectrica.ro.
hidroelectrica.ro. 3600 IN MX 40 mail.hidroelectrica.ro.
;; Query time: 64 msec
;; SERVER: 1.1.1.1#53(1.1.1.1) (UDP)
;; WHEN: Tue Aug 29 19:06:45 EEST 2023
;; MSG SIZE rcvd: 188
On Tue, Aug 29, 2023 at 6:31 PM Paul Lacatus via RLUG
<rlug@lists.lug.ro>
wrote:
Am un vps pe care rulez un mailcow. De cand l-am facut nu mai primesc
mail de la Hidroelectrica ! Altele merg inclusiv google sau microsoft
fiind cu toate DKIM, DMARC, SPF in regula.
postfix spune :
NOQUEUE: reject: RCPT from unknown[91.216.144.231]: 450 4.1.8
<nore...@hidroelectrica.ro>: Sender address rejected: Domain not found;
from=<nore...@hidroelectrica.ro> to=<p...@lacatus.eu> proto=ESMTP
helo=<mail.hidroelectrica.ro>
Incerc un dig mx in vps si intr-adevar nu intoarce nimic dig mx
@1.1.1.1 intoarce corect
DNS din /etc/resolv.conf puse de hosting nu gasesc intr-adevar
hidroelectrica ! Pun in /etc/resolv.conf 1.1.1.1 si 8.8.8.8 totul merge
ok in host dar in containerul cu postfix nu rezolva . Containerul cu
postfix are in resolv.conf 127.0.0.11, DNS intern docker compose.
Acesta
insa ar fi trebuit sa se actualizezeautomat dupa resolv.conf din host.
Asa zic toate manualele. Dau docker compose down si up -d, la fel. Dupa
down ii mai dau si un pull si up -d . Tot ioc. De unde sa o iau . Unde
are forwarders-urile DNS intern docker?
Paul
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