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DMARC

A comprehensive collection of questions and answers about DMARC email authentication from email marketers, experts and technical documentation.

What is the DMARC 'adkim' tag used for?

What DMARC tag specifies forensic reports?

What is the default value for the DMARC 'p' tag?

Does DMARC authenticate the 'From' header directly?

Is a DMARC record mandatory for email sending?

Can DMARC policies be applied without an SPF or DKIM record?

What DMARC policy allows for email delivery but marks suspicious emails?

Does the 'ri' DMARC tag control aggregate report intervals in seconds?

What DMARC 'fo' tag value requests failure reports for all failures?

Does a DMARC 'rua' URI require 'mailto:' prefix?

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