On 2019-10-14 14:41 BST, Graeme Fowler via mailop wrote:
> On 14 Oct 2019, at 14:30, Nick via mailop <mailop@mailop.org> wrote:
> > If an ip address in the range is held by a legitimate mailer, you're
> > saying the legitimate mailer will be evicted to make way for the
> > spammer? Does that really happen?
>
> No; but if you don't get any email from the 'legitimate' sender then
> your only signal is that from the neighbours.
Sure, and blocking the neighbours who are deemed spammers is not what
I'm questioning.
> If a large percentage of them have a signal which is 'poor' (FSVO
> 'poor') then the inference is that the whole block is poisonous, and
> you bin it (or put mail from it in the junk folder).
It is not an inference. You agreed ("Does that really happen?" "No")
that legitimate senders remain in the block. The whole block is not
poisonous.
My question remains unanswered. Why not treat each ip address on its
own merits? Is it technically infeasible, too expensive, less
convenient, or what?
--
Nick
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