On Fri, Apr 14, 2023 at 05:51:21PM -0300, SysAdmin EM via Postfix-users wrote:
postmap -q "Subject: [KIS] ERROR (EXTERNAL IP): Invalid HTTP_HOST header:
'10.54.130.188:8020'. You may need to add u'10.54.130.188' to ALLOWED_HOSTS."
regexp:/etc/postfix/header_checks
On 14.04.23 18:15, Viktor Du
Hi everyone,
I am using Postfix v3.5.17 as part of iRedMail v1.6.2.
They work successfully in Debian v11.6/64 bit Linux environment.
Now I have connected an IP video camera that can send email over SSL to port
465 to Postfix.
However, Postfix refuses to accept mail from the video camera and demo
Apr 14 23:00:08 mailserver postfix/smtps/smtpd[1653]: connect from
unknown[192.168.1.44]
Apr 14 23:00:08 mailserver postfix/smtps/smtpd[1653]: SSL_accept error from
unknown[192.168.1.44]: Connection reset by peer
Apr 14 23:00:08 mailserver postfix/smtps/smtpd[1653]: lost connection after
CONNEC
On Sat, 15 Apr 2023 11:12:51 -0400
postfix--- via Postfix-users wrote:
> > Apr 14 23:00:08 mailserver postfix/smtps/smtpd[1653]: connect from
> > unknown[192.168.1.44]
> > Apr 14 23:00:08 mailserver postfix/smtps/smtpd[1653]: SSL_accept error from
> > unknown[192.168.1.44]: Connection reset by
On Sat, Apr 15, 2023 at 05:39:21PM +0300, Oleksandr via Postfix-users wrote:
> However, Postfix refuses to accept mail from the video camera and
> demonstrates these lines in the log:
That's not an accurate statement. Postfix is happy to accept mail from
the camera, but the camera aborts the tra
postfix--- via Postfix-users skrev den 2023-04-15 17:12:
Apr 14 23:00:08 mailserver postfix/smtps/smtpd[1653]: connect from
unknown[192.168.1.44]
Apr 14 23:00:08 mailserver postfix/smtps/smtpd[1653]: SSL_accept error
from unknown[192.168.1.44]: Connection reset by peer
Apr 14 23:00:08 mailserver
On Sat, Apr 15, 2023 at 05:57:51PM +0200, Benny Pedersen via Postfix-users
wrote:
> add 192.168.1.44 to mynetwork in postfix main.cf, in master.cf allow
> permit_mynetwork before permit
Irrelevant. The TLS connection setup hadn't completed yet.
> but best is simply to make another master.
> > provide postconf -nf not just raw file, and postconf -Mf not just raw
> > file
>
> No longer necessary.
Please, here are the results of executing this command in attachment:
--
smtp inet n - y - 1 postscreen
smtpd pass - - y
On Sat, Apr 15, 2023 at 08:37:14PM +0300, Oleksandr wrote:
> > > provide postconf -nf not just raw file, and postconf -Mf not just raw
> > > file
> >
> > No longer necessary.
>
> Please, here are the results of executing this command in attachment:
As stated above, there was no need. What's ne
Oleksandr via Postfix-users skrev den 2023-04-15 19:37:
Please, here are the results of executing this command in attachment:
port 465 is twice in master
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Viktor Dukhovni via Postfix-users skrev den 2023-04-15 20:06:
As stated above, there was no need. What's needed now is a PCAP file
with a full recording of exactly one TCP connection between the camera
and Postfix on port 465.
first remove the 2nd port 465
imho postfix list this as error ?
_
On Sat, Apr 15, 2023 at 08:09:58PM +0200, Benny Pedersen via Postfix-users
wrote:
> > As stated above, there was no need. What's needed now is a PCAP file
> > with a full recording of exactly one TCP connection between the camera
> > and Postfix on port 465.
>
> first remove the 2nd port 465
>
Viktor Dukhovni via Postfix-users skrev den 2023-04-15 20:12:
On Sat, Apr 15, 2023 at 08:09:58PM +0200, Benny Pedersen via
Postfix-users wrote:
> As stated above, there was no need. What's needed now is a PCAP file
> with a full recording of exactly one TCP connection between the camera
> and
Sorry, I temporarily changed the IP camera to 192.168.8.144, but it doesn't
affect anything.
So, I executed the command:
# tcpdump -s0 -w file.pcap tcp port 465 and host 192.168.8.144
The result is in the attachment.
--
file.pcap
Description: application/vnd.tcpdump.pcap
__
On Sat, Apr 15, 2023 at 10:09:10PM +0300, Oleksandr wrote:
> Sorry, I temporarily changed the IP camera to 192.168.8.144, but it doesn't
> affect anything.
>
> So, I executed the command:
>
> # tcpdump -s0 -w file.pcap tcp port 465 and host 192.168.8.144
>
> The result is in the attachment.
Viktor, hHow you have analyzed everything perfectly! :-)
Of course, I cannot influence the camera firmware, it is old and there are no
new firmware.
But maybe you can change the Postfix settings so that he makes friends with
this camera and successfully receives mail from it?
--
“…maybe you can change the Postfix settings so that he makes friends
with this camera and successfully receives mail from it…”
PF already does this - in plain-text. PF handles TLS\SSL properly so
asking to have PF modified to accommodate a client’s old & outdated
firmware seems a bit like the
On Sun, Apr 16, 2023 at 12:30:14AM +0300, Oleksandr wrote:
> Viktor, How you have analyzed everything perfectly! :-)
>
> Of course, I cannot influence the camera firmware, it is old and there
> are no new firmware.
>
> But maybe you can change the Postfix settings so that he makes friends
> with
> ... so asking to have PF modified to accommodate a client’s
> old & outdated firmware seems a bit like the tail waggin’
> the dog don’t you think?
Yes, it looks like this :-)
But I was hoping that it would be enough to make corrections in the main.cf and
master.cf, and Postfix friendship wi
Hello,
one of web.de's sender IPs is listed into zen.spamhaus.org as the
following info.
554 5.7.1 Service unavailable; Client host [82.165.159.35] blocked using
z
en.spamhaus.org; https://www.spamhaus.org/sbl/query/SBL175032
$ dig -x 82.165.159.35 +short
mout-xforward.web.de.
Can anyone
On Sun, Apr 16, 2023 at 09:15:24AM +0800, tom--- via Postfix-users wrote:
> one of web.de's sender IPs is listed into zen.spamhaus.org as the
> following info.
>
> 554 5.7.1 Service unavailable; Client host [82.165.159.35] blocked using
> zen.spamhaus.org; https://www.spamhaus.org/sbl/query/SBL1
On Sun, Apr 16, 2023 at 03:07:38AM +0300, Oleksandr via Postfix-users wrote:
> Yes, it looks like this :-)
> But I was hoping that it would be enough to make corrections in the main.cf
> and master.cf, and Postfix friendship with the camera would be restored.
It isn't actually Postfix performi
On 2023-04-16 09:33, Viktor Dukhovni via Postfix-users wrote:
On Sun, Apr 16, 2023 at 09:15:24AM +0800, tom--- via Postfix-users
wrote:
one of web.de's sender IPs is listed into zen.spamhaus.org as the
following info.
554 5.7.1 Service unavailable; Client host [82.165.159.35] blocked
using
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