I recently had issues with ATT (and SBC and Bellsouth). It also involved a fairly newish IP range we were warming up and when we moved the bulk of the traffic over things came down like a hammer. I would get the block lifted and within a few days it'd start all over. I reached out to the ATT postmaster and they informed me it was a "volume/time threshold" and from there we were able to get things resolved.
Brett On Wed, Oct 12, 2016 at 10:57 AM, Vick Khera <vi...@khera.org> wrote: > On Tue, Oct 11, 2016 at 7:21 PM, David Hubbard > <dhubb...@dino.hostasaurus.com> wrote: > > The specific details are netblocks we’re deploying new servers on, > > previously unused, all seem to be on the block list by default. > > How fast are you ramping up traffic on new IPs? > > Also, what's the netblock? Maybe others can see issues in that block, > especially if it is not virgin space. > > _______________________________________________ > mailop mailing list > mailop@mailop.org > https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop > -- Brett Schenker Man of Many Things, Including 5B Consulting - http://www.5bconsulting.com Graphic Policy - http://www.graphicpolicy.com Twitter - http://twitter.com/bhschenker LinkedIn - http://www.linkedin.com/in/brettschenker
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