Re: [mailop] Missing PTR errors from Google?

2023-05-11 Thread Ken Peng via mailop
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

Re: [mailop] [E] Re: PSL: SOA record per subdomain required?!

2023-05-10 Thread Ken Peng via mailop
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.

Re: [mailop] Yahoo: SOA record per subdomain required?!

2023-05-09 Thread Ken Peng via mailop
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

Re: [mailop] Yahoo: SOA record per subdomain required?!

2023-05-08 Thread Ken Peng via mailop
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

Re: [mailop] Yahoo: SOA record per subdomain required?!

2023-05-07 Thread Ken Peng via mailop
> > 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

Re: [mailop] Yahoo: SOA record per subdomain required?!

2023-05-07 Thread Ken Peng via mailop
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).

Re: [mailop] Yahoo: SOA record per subdomain required?!

2023-05-07 Thread Ken Peng via mailop
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

Re: [mailop] Yahoo: SOA record per subdomain required?!

2023-05-06 Thread Ken Peng via mailop
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

Re: [mailop] Hosteurope contact?

2023-05-04 Thread Ken Peng via mailop
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