custom domain DMARC and DKIM

Hi, my emails sent from iCloud custom domain are flagging on spam checkers as not having a DMARC record and not having a valid DKIM signature, has anyone else experienced this, if so how did you fix it?

Posted on Jan 12, 2025 2:03 PM

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Posted on Jan 12, 2025 8:22 PM

The details of how to set correct DNS records are here:


Set up an existing domain with iCloud Mail - Apple Support


Additional information about DMARC is here:


Postmaster information for iCloud Mail - Apple Support


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custom domain DMARC and DKIM

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