> Am 04.02.2016 um 22:41 schrieb Brandon Long <bl...@google.com>: > That's what I think is the case, indeed. Hetzner is the provider. > > It is a netblock quota you're hitting, yes. As we see more and larger hit > and run spam jobs from previously unknown or low volume IPs and netblocks, > the low volume senders are caught in the cross fire.
At dnswl.org <http://dnswl.org/> we’ve seen an increased number of spam sources at Hetzner over the past few weeks. We do not see mail content, just DNS lookups (other than through a couple of spamtraps), but there seems to be a pattern to it: „new“ IP, using Hetzner’s default rDNS, starting with large volumes per IP right away, IPs scattered around Hetzner netblocks „randomly“. > I'll ping the spam team about the messaging again, saying IP is definitely > wrong there. And I can ping them about better handling about this, they've > made some improvements recently, but it's a hard problem. Reputation by AS is indeed non-trivial. It works well for most ASes, but for "tightly packed" ASes such as for large hosters, it’s usefulness is limited. — Matthias
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