They are indeed quite quick to respond, and they used to unblock
us fast enough.

In this case, they have a block on one of our SMTP server that sent
ONE offending e-mail 12 months ago.

Right now we are debating with their support how to move forward but
they are adamant about that webpage, which is silly, because if they
were to really stick to that, not many providers would meet that
regulation. I don't understand that rule at all.

Scott​

On Monday, 14/04/2025 at 11:15 Florian Effenberger via mailop wrote:



Hello,

Scott Q. via mailop wrote on 14.04.25 at 17:02:
> It seems they have a new internal regulation where they want the
sending 
> domain to be explicitly linked to the actual owner that sends the e-

> mails. Which makes sense in theory but there's a lot of providers
out 
> there, including us, GoDaddy, ResellerClub, etc that use private
domain 
> names ( think secureserver.net ) that ​intentionally don't say who
the 
> owner is.

you mean the imprint regulation? That seems in place for quite a
while. 
They essentially want to have an imprint on the main domain of the 
sending mail server.

E.g. mx1.mydomain.foo -> mydomain.foo needs an imprint

There's been heated debate repeatedly about this, to say it 
diplomatically. :)

What I can say is that they are at least quite fast in unblocking. I 
wrote a small paragraph about it on 
https://effenberger.org/en/howtos/return-to-sender-2/ ("Provider 
specific: Deutsche Telekom, T-Online").

Florian
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