Word to the Wise had a nice run down of the changes Msft has made w/ their filters and how complaints are reported.
https://wordtothewise.com/2018/01/oh-microsoft/ This may help explain some of it. We had an aha moment w/ some problems our clients are having at Hotmail. John On Wed, Jan 10, 2018 at 7:07 PM, paul+mai...@oxygennetworks.com.au < paul+mai...@oxygennetworks.com.au> wrote: > We have had the same problems with Microsoft for some time now with a new > block we have, every IP is getting blocked for no reason, they say they > have unblocked them and they still treat received emails from those IP’s as > spam. They won’t unblock the whole subnet either. > > > > Not sure what else you can do, and the problem is the customer sees it as > your problem when it’s Microsoft being over sensitive or something. > > > > Paul > > > > *From:* mailop [mailto:mailop-boun...@mailop.org] *On Behalf Of *Tim Starr > *Sent:* Thursday, 11 January 2018 10:42 AM > *To:* Edgaras | SENDER > *Cc:* mailop@mailop.org > *Subject:* Re: [mailop] Weird problems with mitigation at Hotmail/Outlook > > > > We've been having the same experience for months now. Not always, but way > too often. > > > > -Tim > > > > On Fri, Jan 5, 2018 at 4:29 AM, Edgaras | SENDER <edga...@sender.net> > wrote: > > Hi, > > > > 2 days ago one of our IPs started getting an AS3150 block when sending to > Hotmail/Outlook. > > Which is very weird, as complaint rate and bounce rate are way below what > Outlook publishes as their official requirements. > > > > After submitting their delivery support form, we get the automatic email > saying that the IP has been mitigated: "Our investigation has determined > that the above IP(s) qualify for mitigation. The block has been lifted, and > the IP(s) have been granted increased daily sending limits." > > > > However, the IP still stays blocked! After replying to that email, we get > a copy-paste reply from Outlook.com support saying that "As previously > stated, your IP(s) do not qualify for mitigation at this time." > > > > ??? > > > > Alright, we repeat the process the next day, with the same results - > initial email says that the IP has been mitigated, that doesn't work and > the IP is still blocked, and Outlook.com support says that the IP is not > eligible for mitigation. > > > > Asking to escalate to T3 did nothing. > > > > Has someone else experienced this? What to do in this situation? > > > > P.S. if anyone from Outlook/Hotmail are here, here is the ticket number: > SRX1410467394ID. I would greatly appreciate any help or insight into this. > > > > > > > > > > > > Regards, > > > [image: Sender] > > Edgaras Vaitkevičius > edga...@sender.net > +370 627 60923 <+370%20627%2060923> > > > _______________________________________________ > mailop mailing list > mailop@mailop.org > https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop > > > > _______________________________________________ > mailop mailing list > mailop@mailop.org > https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop > >
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