Hey Stefan,
we hadn't any problems with them. We wrote them about our block on
14.01. and they did respond on the same day.
When did you wrote them ? Did your wrote [email protected] or did
you wrote [email protected] ?
Based on their answer, i think they have a internal list with dynamic ip
ranges.
Best,
Jan-Philipp
Jan-Philipp Benecke
Deliverability Engineer
Fon: +49 4402 97390-00 <tel:+49%204402%2097390-00>
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Stefan Bauer via mailop schrieb am 09.03.20 um 15:03:
AW: [mailop] Ewetel postmaster wanted - your IP 116.203.31.6 seems to
be dynamic - please use the smarthost of your ISP
Hi,
it's just DNS round robin for our senders. did not had a sigle issue
with that over the previous 2 years.
Still thinking, that ewetel/ewe just uses ancient RBLs, that reports
the specific IP from a dynamic-block.
Stefan
-----Ursprüngliche Nachricht-----
*Von:* Vytis Marciulionis <[email protected]>
*Gesendet:* Montag 9 März 2020 14:52
*An:* Stefan Bauer <[email protected]>
*CC:* mailop <[email protected]>
*Betreff:* Re: [mailop] Ewetel postmaster wanted - your IP
116.203.31.6 seems to be dynamic - please use the smarthost of
your ISP
Hi Stefan,
This could also happen because your PTR record of sending IP
address resolves with 3 IPs e:
IP 116.203.31.6 - PTR securetransport.cubewerk.de
<http://securetransport.cubewerk.de> - IPs 178.254.23.77;
116.203.31.6; 188.68.39.254
I know that technically it is nothing bad but, I can imagine why
some sensors could return errors, especially since the 3 IP
addresses are from different ASNs:
image.png
I guess those 3 IPs are set as fallback in this situation?
On Mon, Mar 9, 2020 at 11:03 AM Stefan Bauer via mailop
<[email protected] <mailto:[email protected]>> wrote:
Never had delivery issues from hetzner-blocks so far (crossing
fingers) but I'm aware of the past.
Looks like there is at least one RBL around, that list our IP
as dynamic.
https://www.rbl-dns.com/bl?ip=116.203.31.6
One just have to pay to get de-listed. What a wonderful world.
Stefan
-----Ursprüngliche Nachricht-----
*Von:* Andrew C Aitchison <[email protected]
<mailto:[email protected]>>
*Gesendet:* Montag 9 März 2020 10:47
*An:* Stefan Bauer <[email protected]
<mailto:[email protected]>>
*CC:* mailop <[email protected] <mailto:[email protected]>>
*Betreff:* Re: [mailop] Ewetel postmaster wanted - your IP
116.203.31.6 seems to be dynamic - please use the
smarthost of your ISP
On Mon, 9 Mar 2020, Stefan Bauer via mailop wrote:
> Any ewetel postmaster around? One of our IPs (subject) get flagged
> as dynamic during delivery to ewetel. However this IP is static.
I am not surprised that Ewetel has guessed wrong:
whois 116.203.31.6 -hwhois.ripe.net <http://whois.ripe.net>
gives a /16 belonging to our old friends Hetzner.
--
Andrew C. Aitchison Kendal, UK
[email protected]
<mailto:[email protected]>
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Pagarbiai,
Vytis Marčiulionis
+37064734475
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