No, it's truly (at least for us) because some other ISPs literally do complain if we try to send too many messages per session.....lots of people do things so many different ways. I can't find the ticket at the moment, but I even had one of those just a week ago, where the bounce message from some smallish ISP pretty much directly said this...
Cheers, Al On Thu, Sep 5, 2019 at 10:37 AM Brotman, Alexander via mailop < mailop@mailop.org> wrote: > One of the interesting things I’ve learned while interacting with ESPs is > that some of them will artificially restrict the number of messages per > session, in lieu of opening more sessions. Some of them have told me the > values are in the low single digits. I’ve kind of wondered the rationale > for that might be. Is it the idea that you want to get your messages > through as quickly as possible? > > > > -- > > Alex Brotman > > Sr. Engineer, Anti-Abuse & Messaging Policy > > Comcast > > > > *From:* mailop <mailop-boun...@mailop.org> *On Behalf Of *Benjamin BILLON > via mailop > *Sent:* Thursday, September 5, 2019 10:08 AM > *To:* mailop@mailop.org > *Subject:* [EXTERNAL] Re: [mailop] Resolving issues for several yahoo > domains? > > > > > Hate to imagine how much mail is currently trying to get into Yahoo and > AOL > > Same. Hate also to imagine the day (and night?) of the folks working on > fixing that. > > > > -- > *Benjamin* > > > > *From:* Dave Holmes <d...@instiller.co.uk> > *Sent:* jeudi 5 septembre 2019 15:57 > *To:* Benjamin BILLON <bbil...@splio.com> > *Cc:* mailop@mailop.org > *Subject:* Re: [mailop] Resolving issues for several yahoo domains? > > > > Not the quickest or easiest to do as a lot of senders will have different > limits on different IP pools depending on reputation / previous throughput. > > > > I've dropped in a platform wide rule to back off the mail queues when the > response is encountered - should do the Job. > > > > Hate to imagine how much mail is currently trying to get into Yahoo and > AOL > > > > On Thu, 5 Sep 2019 at 14:39, Benjamin BILLON via mailop <mailop@mailop.org> > wrote: > > Yes, everyone. > > Some, very few, emails are accepted. I believe their servers are > overloaded. I suggest everyone to back off a bit, for instance by limiting > the number of concurrent connections per outbound IP to ... 1. Until it > gets better. > > Forcing our way through is not gonna work, or help. > > > > The DNS issue seems solved now. > > > > -- > *Benjamin* > > > > *From:* mailop <mailop-boun...@mailop.org> *On Behalf Of *Dave Holmes via > mailop > *Sent:* jeudi 5 septembre 2019 15:21 > *To:* Ewald Kessler | Webpower <ewald.kess...@webpower.nl> > *Cc:* mailop <mailop@mailop.org> > *Subject:* Re: [mailop] Resolving issues for several yahoo domains? > > > > Were seeing large mail queues forming on our side but I think this extends > beyond the DNS I've not come across this message from Yahoo before. > > > > Error: "421 Service not available, closing transmission channel tnmpmscs" > > > > So whilst we have the DNS resolution (possibly cached) they are dropping > connections all over the place, same goes for all of their other domains. > > > > Anyone else with issues delivering after DNS resolves > > > > > > On Thu, 5 Sep 2019 at 10:31, Ewald Kessler | Webpower via mailop < > mailop@mailop.org> wrote: > > Yes, Oath (a.o. Yahoo, AOL) is having serious issues. Their engineers are > working to resolve the issues. > > > > Regards, > > Ewald > > > > On Thu, 5 Sep 2019 at 10:35, tobisworld--- via mailop <mailop@mailop.org> > wrote: > > We're currently seeing several yahoo domains (ex yahoo.de) cannot be > resolved any more in DNS. All the responsable nameservers for that > domain do not reply anymore. Only ns4.yahoo.com replies from time to > time for yahoo.de but according to glue record ns4.yahoo.com is not in > charge for yahoo.de anymore. > > anyone else seeing such problems with yahoo? > > -- > Cheers > > tobi > > _______________________________________________ > mailop mailing list > mailop@mailop.org > https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop > > > > > -- > > Deliverability & Abuse Management, www.webpower-group.com > > ewald.kess...@webpower.nl > > t: +31 342 423 262 > > li: www.linkedin.com/in/ewaldkessler > > _______________________________________________ > mailop mailing list > mailop@mailop.org > https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop > > > > > -- > > > > [image: Image removed by sender. Instiller Logo] > <https://www.instiller.co.uk> > > > > Dave Holmes > > Technical Director > > > > *d...@instiller.co.uk* <d...@instiller.co.uk> > > *T* 0333 939 0013 | *M* 07966 013 309 > > 1 Park Farm Barns | Packington Lane | Stonebridge | CV7 7TL > > > > > > > > Instiller is a trademark of Instiller Limited, registered in England > 5053657. > > > > This email contains proprietary information, some of which may be legally > privileged. It is for the intended recipient only. > If an addressing or transmission in error has misdirected this email, > please notify the author by replying to this email. > If you are not the intended recipient, you must not use, disclose, > distribute, copy, print or rely on this email. > > > > _______________________________________________ > mailop mailing list > mailop@mailop.org > https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop > > > > > -- > > > > [image: Image removed by sender. Instiller Logo] > <https://www.instiller.co.uk> > > > > Dave Holmes > > Technical Director > > > > *d...@instiller.co.uk* <d...@instiller.co.uk> > > *T* 0333 939 0013 | *M* 07966 013 309 > > 1 Park Farm Barns | Packington Lane | Stonebridge | CV7 7TL > > > > > > > > Instiller is a trademark of Instiller Limited, registered in England > 5053657. > > > > This email contains proprietary information, some of which may be legally > privileged. It is for the intended recipient only. > If an addressing or transmission in error has misdirected this email, > please notify the author by replying to this email. > If you are not the intended recipient, you must not use, disclose, > distribute, copy, print or rely on this email. > > > _______________________________________________ > mailop mailing list > mailop@mailop.org > https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop > -- al iverson // wombatmail // chicago http://www.aliverson.com http://www.spamresource.com
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