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Email authentication
DMARC
A comprehensive collection of questions and answers about DMARC email authentication from email marketers, experts and technical documentation.
What specific header does DMARC use for alignment checks?
What DMARC report format is used for aggregate reports?
Does DMARC validate the originating IP address?
What is the purpose of the 'adkim=s' tag in DMARC?
What does a DMARC record that is 'p=none' and 'pct=100' mean?
Does a DMARC policy apply to emails from subdomains by default?
Is the BIMI Group website and its tools still actively maintained?
Should I change my DMARC policy from p=none to p=reject?
Can you have multiple DMARC records?
What are the considerations for DMARC p=reject in B2B environments with third-party filters?
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