On Mon, 18 Nov 2019 17:23:43 +0100 Matus UHLAR - fantomas
<uh...@fantomas.sk> wrote:
seems something is wrong with your (or maybe their) reverse DNS
resolution...
On Mon, 18 Nov 2019, siefke_lis...@web.de wrote:
This is what I had:
[siefke@sisi-dell ~]$ nslookup 195.128.103.214
214.103.128.195.in-addr.arpa name = netcup.silviosiefke.com.
On 18.11.19 21:08, Bernardo Reino wrote:
The question is whether your resolver can reverse-resolve the IP
address where the message was coming from, i.e. 81.91.160.182, and not
your own (of your mail server).
$ dig -x 81.91.160.182
office.denic.de. 3600 IN A 81.91.160.182
$ dig office.denic.de
office.denic.de. 3508 IN A 81.91.160.182
and this is, why Silvio (the OP) should not remove important content from
mail replied. I have posted exactly these ;-)
https://marc.info/?l=postfix-users&m=157409426700743&w=2
On 19.11.19 20:13, siefke_lis...@web.de wrote:
I use unbound.
I have stop unbound an use the dns direct with resolv.conf.
cat /etc/resolv.conf
nameserver 46.182.19.48
nameserver 80.241.218.68
nameserver 2a03:b0c0:0:1010::e9a:3001
nameserver 127.0.0.1
search silviosiefke.com
1. unbound aka 127.0.0.1 should be the first server in resolv.conf, not the
last one. I think some resolvers don't use more than 3 servers.
2. what are those other IPs? Are they recursive servers provided by your ISP?
Nov 19 19:58:20 netcup.silviosiefke.com postfix/smtpd[11593]: NOQUEUE:
reject: RCPT from unknown[212.227.15.4]: 450 4.7.25 Client host rejected:
cannot find your hostname, [212.227.15.4]; from=<siefke_lis...@web.de>
to=<webmas...@silvio-siefke.de> proto=ESMTP helo=<mout.web.de>
dig-x 212.227.15.4
4.15.227.212.in-addr.arpa. 14109 IN PTR mout.web.de.
dig mout.web.de
...
mout.web.de. 1800 IN A 212.227.15.4
...
Self with direct dns contact it will not work. There is a big mistake.
On Tue, 19 Nov 2019 14:20:43 -0500
Viktor Dukhovni <postfix-us...@dukhovni.org> wrote:
Why did you stop unbound? Presumably it provides the recursive
service on 127.0.0.1, which is listed below...
On 19.11.19 20:38, siefke_lis...@web.de wrote:
It work not. That's why so a line direct to nameserver and it work
also not.
sure? "dig -x 212.227.15.4 @127.0.0.1" should show (with running unbound, of
course)
> Nov 19 19:58:20 netcup.silviosiefke.com postfix/smtpd[11593]: NOQUEUE:
> reject: RCPT from unknown[212.227.15.4]: 450 4.7.25 Client host rejected:
> cannot find your hostname, [212.227.15.4]; from=<siefke_lis...@web.de>
> to=<webmas...@silvio-siefke.de> proto=ESMTP helo=<mout.web.de>
Is smtpd(8) chrooted? It may be using a different set of nameservers.
Yes sure I change nothing in master.cf only auth stuff. So maybe this was it.
"maybe" is not enough. if your system uses chorooted smtpd, the
/etc/resolv.conf within that chroot should contain proper
Nov 19 20:34:13 netcup.silviosiefke.com postfix/lmtp[16735]: 5180881406:
to=<webmas...@silvio-siefke.de>,
relay=netcup.silviosiefke.com[private/dovecot-lmtp], delay=1,
delays=0.91/0.02/0.02/0.05, dsn=2.0.0, status=sent (250 2.0.0
<webmas...@silvio-siefke.de> J/VlD7VD1F1gQQAAJFpQ3g Saved)
this is lmtp client, not smtp server, completely unrelated.
So one question I have. Why I must change this on this server, but my
master mail server running Debian need this change not.
perhaps your master mail server running debian has different configuration.
--
Matus UHLAR - fantomas, uh...@fantomas.sk ; http://www.fantomas.sk/
Warning: I wish NOT to receive e-mail advertising to this address.
Varovanie: na tuto adresu chcem NEDOSTAVAT akukolvek reklamnu postu.
The 3 biggets disasters: Hiroshima 45, Tschernobyl 86, Windows 95
