[mailop] Vodafone contact

[Gellner, Oliver via mailop]

Hello,
if someone from Vodafone Germany is on this list or someone knows how to get in 
contact with them, I'd appreciate a hint. Some order confirmations are rejected 
as spam (which they are not) and the postmaster addresses do not answer.

--
BR Oliver


dmTECH GmbH
Am dm-Platz 1, 76227 Karlsruhe * Postfach 10 02 34, 76232 Karlsruhe
Telefon 0721 5592-2500 Telefax 0721 5592-2777
dmt...@dm.de * www.dmTECH.de
GmbH: Sitz Karlsruhe, Registergericht Mannheim, HRB 104927
Geschäftsführer: Christoph Werner, Martin Dallmeier, Roman Melcher

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Re: [mailop] Microsoft's block list?

[Alessandro Vesely via mailop]

On Wed 22/Nov/2023 15:25:36 +0100 Otto J. Makela via mailop wrote:

Can someone shed light on a Microsoft/Outlook block list? Our hobby server
(on upcloud.com) seem to have been blocked for quite some time now.

At this time, SPF and DKIM should be correct for our outgoing messages.
Is there anything to be done, apart from switching to some mail sender
company instead of ourselves attempting a direct connection?

2023-11-15T08:27:37.762372+00:00 mail postfix/smtp[113710]: 7407B6274D: 
to=, 
relay=hotmail-com.olc.protection.outlook.com[104.47.18.97]:25, delay=0.29, 
delays=0.05/0/0.21/0.03, dsn=5.7.1, status=bounced (host 
hotmail-com.olc.protection.outlook.com[104.47.18.97] said: 550 5.7.1 
Unfortunately, messages from [SERVERIPADDRESS] weren't sent. Please contact 
your Internet service provider since part of their network is on our block list 
(S3150). You can also refer your provider to 
http://mail.live.com/mail/troubleshooting.aspx#errors. 
[AM6EUR05FT032.eop-eur05.prod.protection.outlook.com 2023-11-15T08:27:37.743Z 
08DBE4B9C5B508E7] (in reply to MAIL FROM command))



I used to have lots of those "550 5.7.1 Unfortunately, messages from 
[94.198.96.74] weren't sent".  It was caused by MIPSpace, #595 in Valli's 
multirbl.  The IP was already blocked when I got it, last April (but it doesn't 
show up in queries, perhaps because it's private).


MIPSpace only accept delist requests from "a representative of the company 
listed in the SWIP or rwhois", so I cannot even ask.  I solved by using a relay 
for M$'s domains.



Best
Ale
--



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