What error code are you receiving back from blocked mail? *ANTHONY CHIULLI*
Senior Consultant, Deliverability Services Salesforce Mobile: 303.817.6506 On Tue, Jun 7, 2016 at 11:26 AM, Dickie LaFlamme <rlafla...@dyn.com> wrote: > We recently experienced a customer ranges of IPs being blocked at > Microsoft, and haven't a clue as to why. > > Details are below, but I'm wondering if others are running into the same > issue: > > - Customers IPs are 208.76.62.[83-88]. Understandably, SenderScore isn't > the end all be all, but all scores are 97 with the only outlier being 94. > Our Google Postmaster tool has reported Green/Yellow for over 120 days. > > - This customer is a high quality sender who has been making strides > toward becoming even that much better by focusing on > key deliverability metrics. > > - We've reviewed this range of IPs via SNDS vigorously. For 89 days of > data, there's not a single day where complaints are < 0.1%. Over these 89 > days, 6.5 million messages have been sent, and over this time, only 8 trap > hits occurred from list attrition. We've had these IPs in their feedback > loop since inception and no spike or gradual increase has occurred in this > time. > > - We asked for a reasoning why, and after some stock responses, we > received a note back that they could not discuss the matter of the block. > > We've needed a closer look at this by Microsoft but are at a dead end. I'm > asking if anyone here has any avenue we can try to reach out to, or ideas > as we need to get insight but haven't got any answers. > > Thanks, > > Dickie LaFlamme / Deliverability Specialist / Dyn > > _______________________________________________ > mailop mailing list > mailop@mailop.org > https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop > >
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