Hi, thanks for the info.
Am Do den 20. Jan 2022 um 19:52 schrieb joemai...@nym.hush.com: > That is intentional/by design. > > The source is inside 40.95.0.0/16 which is their "relay pool". It is > documented here - > https://docs.microsoft.com/microsoft-365/security/office-365-security/high-risk-delivery-pool-for-outbound-messages. > Scroll down to the relay pool subheader and read up more about it. That means, Microsoft ist intentional breaking mail. > Hope this helps. Well, as I am not the sender than the recipient, no, it does not. When it is not part of SPF pool and they have '-all' in SPF record, then the mail could not be delivered. Only Microsoft is blamable for breaking it and only they can fix it. Regards Klaus -- Klaus Ethgen http://www.ethgen.ch/ pub 4096R/4E20AF1C 2011-05-16 Klaus Ethgen <kl...@ethgen.ch> Fingerprint: 85D4 CA42 952C 949B 1753 62B3 79D0 B06F 4E20 AF1C
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