[GTALUG] Spamhaus block

[Val Kulkov]

On Thu, 21 Feb 2019 at 14:03, Val Kulkov <val.kulkov at gmail.com> wrote:

> Also, it seems to me that even permanent static IP addresses are not made
> the same. I get a feeling that some spam databases do not "like" certain
> ranges of IP addresses. Although I have no direct evidence of it, I suspect
> that these spam database sites run periodic checks on how much spam a
> subnet produces and when it exceeds some threshold the entire subnet is
> marked "dirty".
>

Forgot to mention http://www.mail-tester.com/, a site I periodically use to
check how spam databases treat my ip address.
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