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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