Submission Summary: 0 pending, 70 declined, 30 accepted (100 total, 30.00% accepted)
We recently received a large allocation of IP addresses from ARIN and, to our chagrin, the block is listed on SORBS's list as dynamic IP space — a whole
Obviously, as a hosting company we assign a static to each VPS we provision. Our IP allocations are is in no way dynamic; customers may request an IP address change, but we don't receive many such requests. We always ask for justification, and the requests we approve are typically performed on a "one time only" basis. Jed continues:
I approached SORBS about the issue via their automatic contact system. It has been nearly two weeks since their "bot" replied to me and informed me that most of the block was not eligible for delisting due to the naming convention in our reverse DNS PTRs. We use:
What's wrong with that? It "looks" dynamic, they say.
Despite our attempts to reach out to SORBS, explain our position, and get our IP space delisted, we've being told that we must change our reverse DNS naming scheme across our entire network to be considered for delisting. Needless to say, we consider this a ridiculous proposition.
Our primary concern is that mail administrators are using SORBS to blindly drop mail based on the false "dynamic IP" assertion. Although we would consider such a practice to be irresponsible from an administrator's standpoint, this is an issue that's been raised by some of our customers, and we're concerned about the effect it may be having on their ability to deliver legitimate mail. We've always taken an aggressive stance against anything resembling spammy behavior on our network; we're all I.T. veterans, we all despise spam, and we promptly handle any reports of abuse related to our network. It's distressing to see this situation going unresolved. What advice do members of the Slashdot community have on this topic?"
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