> On 16.06.2023 at 16:13 Jaroslaw Rafa via mailop wrote: > > At some time I noticed that Gmail started to indicate DMARC failure. I > checked and found out that the admins of parent eu.org domain put a DMARC > record on it, which caused emails from my domain rafa.eu.org (not from the > parent eu.org) to fail DMARC check. > > But... eu.org is on the PSL! So, if DMARC check did actually use the PSL to > determine the organizational domain, it would have determined that > rafa.eu.org *is* the organizational domain itself and it shouldn't check > anything above it. It wasn't the case, however. > > So at least one (and important one, given the size of this mail service) > implementation of DMARC does not use the PSL.
eu.org is located in the private domain section of Mozillas public suffix list. Apparently Google does not treat those private domains as public suffixes (at least not all of them) or uses a different public suffix list. The DMARC specification does not mandate that you have to use Mozillas PSL and pick up every self-appointed entry from there. Andy Smith is likely using a domain below an ICANN registered TLD and is therefore unaffected by this issue anyway. — BR Oliver ________________________________ dmTECH GmbH Am dm-Platz 1, 76227 Karlsruhe * Postfach 10 02 34, 76232 Karlsruhe Telefon 0721 5592-2500 Telefax 0721 5592-2777 [email protected]<mailto:[email protected]> * www.dmTECH.de<http://www.dmtech.de> GmbH: Sitz Karlsruhe, Registergericht Mannheim, HRB 104927 Geschäftsführer: Christoph Werner, Martin Dallmeier, Roman Melcher ________________________________ Datenschutzrechtliche Informationen Wenn Sie mit uns in Kontakt treten, beispielsweise wenn Sie an unser ServiceCenter Fragen haben, bei uns einkaufen oder unser dialogicum in Karlsruhe besuchen, mit uns in einer geschäftlichen Verbindung stehen oder sich bei uns bewerben, verarbeiten wir personenbezogene Daten. Informationen unter anderem zu den konkreten Datenverarbeitungen, Löschfristen, Ihren Rechten sowie die Kontaktdaten unserer Datenschutzbeauftragten finden Sie hier<https://www.dm.de/datenschutzerklaerung-kommunikation-mit-externen-493832>. _______________________________________________ mailop mailing list [email protected] https://list.mailop.org/listinfo/mailop
