May 10, 2023 at 4:32 AM, "Gellner, Oliver via mailop" wrote:
> >
> > $ dig staff.sina.com.cn mx +short
> >
>
> >
> > 10 staffmx.sina.com.cn.
> >
>
> >
> > 10 staffmx1.sina.com.cn.
> >
> sina.com.cn does have a SOA record. Without creating a DNS zone, the MX
> records could not have been
On 09.05.2023 at 02:11 Ken Peng via mailop wrote:
May 9, 2023 at 4:07 AM, "Gellner, Oliver via mailop" wrote:
If a receiver only accepts emails from sender addressed domains for which MX or
A records exist (such checks are performed by many receiving servers), it means
a sender has to 1.
Ken Peng via mailop writes:
> May 9, 2023 at 4:07 AM, "Gellner, Oliver via mailop"
> wrote:
>
>
>>
>> If a receiver only accepts emails from sender addressed domains for which MX
>> or A records exist (such checks are performed by many receiving servers), it
>> means a sender has to 1. set up
On Mon 08/May/2023 00:51:47 +0200 Slavko via mailop wrote:
The PSL is something strange, introduced by DMARC which
defines "organizational domain", which seems to be not as
clear as DMARC's authors think.
This PSL is not standardized and is maintained by Mozilla,
which is only as volunteer to
May 9, 2023 at 4:07 AM, "Gellner, Oliver via mailop" wrote:
>
> If a receiver only accepts emails from sender addressed domains for which MX
> or A records exist (such checks are performed by many receiving servers), it
> means a sender has to 1. set up a DNS zone and 2. create a MX or A
On 08.05.2023 at 20:48 Marcel Becker via mailop wrote:
On Mon, May 8, 2023 at 11:13 AM Christian Seitz via mailop
mailto:mailop@mailop.org>> wrote:
Now it would be great to hear anything directly from Yahoo
Aber natürlich!
Replied off list.
I would be interested as well whether a SOA record
> On 07.05.2023 at 21:55 Bill Cole via mailop wrote:
>
> On 2023-05-07 at 15:12:54 UTC-0400 (Sun, 7 May 2023 19:12:54 +)
> Gellner, Oliver via mailop
> is rumored to have said:
>
>> While I’m not affiliated with Yahoo, I see no reason to bash them in this
>> regard. To reduce spam they
Hello,
Am 07.05.2023 um 21:12 schrieb Gellner, Oliver via mailop:
While I’m not affiliated with Yahoo, I see no reason to bash them in this
regard. To reduce spam they don’t want to accept emails from made-up /
non-existing domains, which is a legit concern. They query for SOA records
to
Hello Felix,
Am 07.05.2023 um 18:17 schrieb Felix Fontein via mailop:
maybe this is related to in-berlin.de being on the Public Suffix List? This
might explain why Yahoo treats subdomains of in-berlin.de differently than
for subdomains of other domains (like e.mail.de mentioned by Ken).
very
>
> The whole SOA topic is yahoo specific, but using www... as
> email's RHS is not good idea nowadays at all, as can cause
> delivery problem, because it is often in SPAMs from hacked
> web servers/sites, thus avoid it, if possible.
>
It's not unnormal in regular operations.
for instance, the
Dňa 7. mája 2023 21:24:30 UTC používateľ Ken Peng via mailop
napísal:
>I have the question that,
>for example, co.in is in PSL, but the owner can reserve some names such as
>www.co.in not open for registration.
>So this name has neither zone nor soa, but from my experience it does be
May 8, 2023 at 12:17 AM, "Felix Fontein via mailop" wrote:
>
> Hi,
>
> maybe this is related to in-berlin.de being on the Public Suffix List?
> This might explain why Yahoo treats subdomains of in-berlin.de
> differently than for subdomains of other domains (like e.mail.de
> mentioned by
On 2023-05-07 at 15:12:54 UTC-0400 (Sun, 7 May 2023 19:12:54 +)
Gellner, Oliver via mailop
is rumored to have said:
While I’m not affiliated with Yahoo, I see no reason to bash them in
this regard. To reduce spam they don’t want to accept emails from
made-up / non-existing domains, which
> On 07.05.2023 at 18:54 Felix Fontein via mailop wrote:
>
> maybe this is related to in-berlin.de being on the Public Suffix List?
> This might explain why Yahoo treats subdomains of in-berlin.de
> differently than for subdomains of other domains (like e.mail.de
> mentioned by Ken).
To put it
Hi,
maybe this is related to in-berlin.de being on the Public Suffix List?
This might explain why Yahoo treats subdomains of in-berlin.de
differently than for subdomains of other domains (like e.mail.de
mentioned by Ken).
Cheers,
Felix
On Sun, 7 May 2023 12:27:21 +0200
Carsten Schiefner via
So, at least for the time being, it appears that the Y! universe handle
this in a non-deterministic manner.
Lovely.
On 07.05.2023 11:57, Ken Peng via mailop wrote:
May 7, 2023 at 2:17 PM, "Matt Palmer via mailop" wrote:
[...]
It's deliberate, and documented:
Dňa 7. mája 2023 6:17:59 UTC používateľ Matt Palmer via mailop
napísal:
>It's deliberate, and documented:
Perhaps it is time to ignore yahoo's DMARC (and perhaps
DKIM) TXT records, as this "subdomain" hasn't SOA record
and then reject emails due lack of DMARC. And do not
forget check SOA on
May 7, 2023 at 2:17 PM, "Matt Palmer via mailop" wrote:
>
> On Sun, May 07, 2023 at 04:48:11AM +0200, Ángel via mailop wrote:
>
> >
> > None of those would now be able to email yahoo accounts, apparently. I
> > find it hard to believe that they may have added such restriction on
> >
On Sun, May 07, 2023 at 04:48:11AM +0200, Ángel via mailop wrote:
> None of those would now be able to email yahoo accounts, apparently. I
> find it hard to believe that they may have added such restriction on
> purpose. It may be that a check inadvertently added a dependency on th
> domain part
On 2023-05-06 at 12:44:26 UTC-0400 (Sat, 6 May 2023 18:44:26 +0200)
Christian Seitz via mailop
is rumored to have said:
Hello,
we are a small not-for-profit ISP in Germany and having some issues
with Yahoo since April. All emails from subdomains are no longer being
accepted by the Yahoo
On 2023-05-06 at 18:44 +0200, Christian Seitz via mailop wrote:
> If I am not wrong a DNS zone can only have a single SOA record. Yahoo
> requests
> an SOA record per subdomain. That does not make any sense to me. We
> would have
> to create one DNS zone per subdomain, but that's not how DNS is
Am 06.05.23 um 18:44 schrieb Christian Seitz via mailop:
Hello,
...
I already tried to contact Yahoo before sending this email to the list and they acknowledged the issue "You are
correct, we are indeed looking for an SOA for each individual subdomain if you're going to use it in the SMTP
Dnia 6.05.2023 o godz. 23:36:52 Christian Seitz via mailop pisze:
> "www.in-berlin.de" also is just a subdomain for web content and not
> a completely separate zone with it's own NS and SOA records.
I would rather call it a "host" and not "subdomain" (because it certainly
does have an A or
Dnia 6.05.2023 o godz. 23:36:52 Christian Seitz via mailop pisze:
> >My concept of a "subdomain" is that it's just a (technically)
> >regular domain, ie. regular DNS zone, which has a SOA record, NS
> >records etc. It's
> >juts colled a "subdomain" (which is quite arbitral) because it's one level
Hello,
Am 06.05.2023 um 20:54 schrieb Jaroslaw Rafa via mailop:
Dnia 6.05.2023 o godz. 18:44:26 Christian Seitz via mailop pisze:
If I am not wrong a DNS zone can only have a single SOA record.
Yahoo requests an SOA record per subdomain. That does not make any
sense to me. We would have to
Dnia 6.05.2023 o godz. 18:44:26 Christian Seitz via mailop pisze:
>
> If I am not wrong a DNS zone can only have a single SOA record.
> Yahoo requests an SOA record per subdomain. That does not make any
> sense to me. We would have to create one DNS zone per subdomain, but
> that's not how DNS
May 7, 2023 at 12:44 AM, "Christian Seitz via mailop" wrote:
>
> Hello,
>
> we are a small not-for-profit ISP in Germany and having some issues with
> Yahoo
> since April. All emails from subdomains are no longer being accepted by the
> Yahoo email servers. IN-Berlin provides subdomains
Hello,
we are a small not-for-profit ISP in Germany and having some issues with Yahoo
since April. All emails from subdomains are no longer being accepted by the
Yahoo email servers. IN-Berlin provides subdomains for their users since the
beginning of the 1990th and as far as I know this
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