Google Domains itself has no SRS enabled for its forwardings.
>
> Curious if anyone else is seeing an increase in errors like this from Google:
>
> 550-5.7.25 [136.175.108.212] The IP address sending this message does not
> have a PTR record setup, or the corresponding forward DNS entry does
Hello
I almost forgot that, here a local ISP (and the biggest) Hinet uses primarily
subdomain as the mail address for its users.
for example,
$ for i in `seq 11 19`;do dig ms$i.hinet.net mx +nocmd +noall +answer;echo;done
ms11.hinet.net. 86263 IN MX 0 msx-smtp-mx1.hinet.net.
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
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 reco
>
> 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
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 Ken).
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
> > purpose
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 for
May 4, 2023 at 4:09 PM, "Thomas Walter via mailop" wrote:
>
> Hello everyone,
>
> I am trying to get in contact with someone at Hosteurope to resolve
> delivery issues. I tried contacting their postmaster about a week ago,
> but did not receive a reply.
>
It seems they have enough info (ei