• Marco Moock via mailop [2023-12-10 11:24]:
Am 10.12.2023 um 10:55:21 Uhr schrieb Kirill Miazine via mailop:
The block is quite new, I guess spam.fail operators just took
Hetzner's IP ranges and put in their lists....
https://spam.fail/search?ip=65.108.153.125
It really seems that the entire /15 IPv4 net is on the blacklist.
You IPv6 is not on the list.
Anyone has any experience with this list or who the operator is?
I suspect it could even be Domeneshop's own list, as it uses their name
servers. And looking up e.g. 125.153.108.65.dnsbl.spam.fail is not
possible from anywhere except their own network (I tested from their
webhosting shell login server).
Inability to do external DNS lookups makes it impossible to monitor for
presence on their list.
Maybe just ask them to remove your address from that if too many
spammers used that network in the past.
I already did request a manual delisting, which is "a manual process,
and may therefore take a few days", and also shared my concern with the
owners, who are competent guys, and hopefully will push forward a
resolution.
This is ironic, as I've always had a whitelist entry for Domeneshop's
servers, in case _they_ end up on some blacklist, and then they added me
to their blacklist.
Checked IP of a friend, who also hosts his personal mail server on
Hetzner, and he's blacklisted as well.
For now I will configure delivery to use a Mythic Beasts host I have
around (let's see how this message derlivery flows)... MB seem to have a
better network reputation.
According to uceprotect, parts of that net were used by spammers
recently:
http://www.uceprotect.net/de/rblcheck.php?asn=24940
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