[Linux-aus] Announcing Everything Open - Conference 2023

[Steven Ellis]

Robert - thanks for clarifying.

Sadly the information at  https://dnsbl.zonecheck.org doesn't provide any
details on how to report issues or even troubleshoot the problem.

Steven

On Sat, Oct 15, 2022 at 5:39 PM Robert Mibus <mibus at mibus.org> wrote:

> On the topic of mail blocking... it says via bl.zonecheck.org, so you can
> check:
>
> $ host 2607:f8b0:4864:20::229
> 9.2.2.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.0.4.6.8.4.0.b.8.f.7.0.6.2.ip6.arpa
> domain name pointer mail-oi1-x229.google.com.
>
> (DNS the other way matches, FTR, so this PTR record is accurate)
>
> $ host
> 9.2.2.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.0.4.6.8.4.0.b.8.f.7.0.6.2.bl.zonecheck.org
>
> 9.2.2.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.0.4.6.8.4.0.b.8.f.7.0.6.2.bl.zonecheck.org
> has address 127.0.0.10
>
> 127.0.0.10 is indeed the "spamtrap" address at
> https://dnsbl.zonecheck.org/#traps
>
> > spamtrap.bl.zonecheck.org - Our spamtrap honeypot. This will list IP's
> who send to our
> > honeypot trap addresses, these are special addresses that have never
> been, nor ever will
> > be, used anywhere, they are discreet hidden addresses designed to "trap"
> address
> > harvesters.
> > Usage of this list is considered to be safe, very low risk
> > Listing Duration: long.
> > Code: 127.0.0.10
>
> Poking around other values near the address, I'd say the /64 is on the
> blocklist.
>
> Blocking outbound IPs fromused by Gmail is not likely a good SNR for a
> filter; hopefully Noel sees this via the list and can remove the
> relevant entry/entries.
> --
> Robert Mibus <mibus at mibus.org>
>
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