On 17.10.2024 at 17:11 Louis via mailop <mailto:mailop@mailop.org> wrote:
>> Wouldn't backscatter spamming already currently work the same way with >> messages where the return path address does not align, or with completely >> unauthenticated messages? > If spammers were to use my email in the return path/envelope from with the > intent on causing backscatter, the emails will be rejected at SMTP time due > to SPF failure. So no backscatter can then be generated by legitimate SPF > checking systems. Alignment has nothing to do with it, since the from header > has nothing to do with bounces. If the message is completely unauthenticated > then yes it's still possible, but then of course you're not using SPF, which > was exactly the premise of your question. > Backscatter spamming is also still easily possible from misconfigured systems > that don't check SPF, but those seem rare nowadays. They'll be listed on > backscatter RBLs until they implement SPF checking anyway. Well ok, but that would require some misconfigured systems which first accept the message signed by the spammer domain and then later on decide to bounce it because it is spam. -- 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<mailto:dmt...@dm.de> * 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 mailop@mailop.org https://list.mailop.org/listinfo/mailop
