On 28.04.21 09:28, Asai wrote:
We are getting reports, more and more, of email clients (Type App, Mac
Mail, iOS Mail) that seem to send email, and show that the email has
been sent on the client, but the mail server has no record of email
ever reaching the SMTP service, nor does it even seem th
On 28.04.21 22:24, sashk wrote:
They respond with following code on connect:
(host mxb-00306701.gslb.pphosted.com[67.231.145.123] refused to talk to
me: 554 Blocked - see
[1]https://ipcheck.proofpoint.com/?ip=XXX.XXX.XXX.XXX
either you are blacklisted or they don't provide the servi
On 29.04.21 06:25, Fourhundred Thecat wrote:
Postfix does not show hostname for a connecting IP address, when the
hostname does not have reverse lookup:
Example from my log:
warning: hostname zg-0416b-243.stretchoid.com does not resolve to
address 192.241.220.141: Name or service not known
co
On 27/04/21 3:38 am, Michael White wrote:
So updating mailer.conf got rid of sendmail. So now I need to move to
the next step which is to understand what the resulting messages are
telling me:
Apr 26 11:22:57 white-home postfix/pickup[23008]: DE94263846: uid=1002
from=
Apr 26 11:22:57 white-
> On 2021-04-29 10:25, Matus UHLAR - fantomas wrote:
On 29.04.21 06:25, Fourhundred Thecat wrote:
Postfix does not show hostname for a connecting IP address, when the
hostname does not have reverse lookup:
Example from my log:
warning: hostname zg-0416b-243.stretchoid.com does not resolve to
> On 2021-04-29 08:00, lists wrote:
Sorry for the top posting.
http://www.stretchoid.com/
has a way to opt out. Unfortunately they want you to give them your IP space
rather than the other way around. They use a floating IP scheme and can't
easily be blocked.
stretchoid was just an example.
I
On 29.04.21 06:25, Fourhundred Thecat wrote:
Postfix does not show hostname for a connecting IP address, when the
hostname does not have reverse lookup:
Example from my log:
warning: hostname zg-0416b-243.stretchoid.com does not resolve to
address 192.241.220.141: Name or service not known
co
On 28 Apr 2021, at 10:28, Asai wrote:
> We are getting reports, more and more, of email clients (Type App, Mac Mail,
> iOS Mail) that seem to send email, and show that the email has been sent on
> the client, but the mail server has no record of email ever reaching the SMTP
> service, nor does
Paul Menzel:
> Dear Postfix users,
>
>
> I couldn?t find a Make rule to install `posttls-finger`? Did I overlook
> something, or would I need to copy it manually?
There is no such rule, because Postfix test programs are not supported.
Supported programns are protected by backwards and forwards
Asai wrote:
Can someone advise as to what area of debugging we can turn on? There's a lot
of info in debugging, and we can't turn it all on at once, so we could use some
specifics.
Perhaps setting up SPF + DMARC RUF will help you to identify those systems.
Regards
Aban
--
Aban Dokht
Dnia 29.04.2021 o godz. 14:34:15 Matus UHLAR - fantomas pisze:
>
> Once again:
> The result of reverse resolution will NOT be used, unless it's verified by
> forward resolution.
>From the times I was using sendmail, I remember that in case when
forward/reverse DNS didn't match, sendmail logged so
On 28-04-2021 22:41, Wietse Venema wrote:
Asai:
Greetings,
We are getting reports, more and more, of email clients (Type App, Mac
Mail, iOS Mail) that seem to send email, and show that the email has
been sent on the client, but the mail server has no record of email ever
reaching the SMTP se
Jaroslaw Rafa:
> Dnia 29.04.2021 o godz. 14:34:15 Matus UHLAR - fantomas pisze:
> >
> > Once again:
> > The result of reverse resolution will NOT be used, unless it's verified by
> > forward resolution.
>
> >From the times I was using sendmail, I remember that in case when
> forward/reverse DNS d
Dnia 29.04.2021 o godz. 11:27:28 Wietse Venema pisze:
> > >From the times I was using sendmail, I remember that in case when
> > forward/reverse DNS didn't match, sendmail logged something like
> >
> > unknown (reverse.dns.hostname) [ip.ad.dr.ess]
>
> I thought that sendmail logs the HELO
>
> u
Wietse Venema:
> Jaroslaw Rafa:
> > Dnia 29.04.2021 o godz. 14:34:15 Matus UHLAR - fantomas pisze:
> > >
> > > Once again:
> > > The result of reverse resolution will NOT be used, unless it's verified by
> > > forward resolution.
> >
> > >From the times I was using sendmail, I remember that in ca
Postfix stable release 3.6.0 is available. This ends the support
for legacy release Postfix 3.2.
The main changes are below. See the RELEASE_NOTES file for further
details.
Incompatible changes:
* This release requires "postfix stop" before updating, or before
backing out to an earlier rel
Hey there,
A cross post because there's enough dmarc discussion to be relevant.
We've just released OpenDMARC 1.4.1 over at
https://github.com/trusteddomainproject/OpenDMARC
While the delta between 1.4.0 and 1.4.1 may seem minor if one goes by the
version numbers, it's actually a pretty solid
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