Comments on: Microsoft Brings Improvements to DMARC https://practical365.com/microsoft-brings-improvements-to-dmarc/ Practical Office 365 News, Tips, and Tutorials Wed, 11 Oct 2023 17:37:12 +0000 hourly 1 https://wordpress.org/?v=6.3.2 By: Manuel Pereira https://practical365.com/microsoft-brings-improvements-to-dmarc/#comment-271747 Wed, 09 Aug 2023 21:17:52 +0000 https://practical365.com/?p=58766#comment-271747 Yes, by default DMARC policy is relaxed, only if you use the tags to require stric on SPF, DKIM or both they have to comply. Otherwise SPF or DKIM it’s enough. Also some values are implicit, e.g. no need to use pct=100, etc. It you want to use the default values.

]]> By: Greg Thomson https://practical365.com/microsoft-brings-improvements-to-dmarc/#comment-268110 Wed, 05 Jul 2023 10:08:55 +0000 https://practical365.com/?p=58766#comment-268110 Nice article.
I think a DMARC pass only requires domain alignment with SPF or DKIM not “and”. Part of the rational for DKIM was to authenticate email passing through intermediary mail servers that were not the original senders and so not in their SPF.

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