What are the DMARC requirements for BIMI and how does pct affect the policies?
Summary
What email marketers say11Marketer opinions
Email marketer from EmailToolTester.com explains that to use BIMI, your domain must have DMARC set up with a policy of either 'quarantine' or 'reject'.
Email marketer from Reddit comments that BIMI implementations require DMARC to be enforced with a policy of either quarantine or reject, and specifies that pct must be set to 100 if using quarantine to be compliant with BIMI.
Email marketer from Proofpoint.com shares that BIMI requires a DMARC policy at either quarantine or reject. This ensures that only authenticated emails are eligible to display the brand's logo.
Marketer from Email Geeks explains that to participate in BIMI, Domain Owners MUST have a strong DMARC policy (quarantine or reject) on both the Organizational Domain, and the RFC5322.From Domain of the message. Quarantine policies MUST NOT have a pct less than pct=100.
Marketer from Email Geeks clarifies that when 'pct' is specified for a DMARC policy and is not 100, the remaining percentage applies to the next policy. For example, 'p=reject pct=70' means 70% are rejected and the remaining 30% are quarantined, which is sufficient for BIMI as no emails are treated as 'p=none'.
Marketer from Email Geeks suggests the new DMARC aggregate definition will not break existing things if the processor is written reasonably well.
Marketer from Email Geeks explains that if a subdomain has a DMARC policy of 'none,' it only affects that specific subdomain's BIMI capability, not the organizational domain or other subdomains.
Email marketer from ZeroBounce.net says BIMI relies on DMARC to verify the authenticity of email senders. To use BIMI, you must have DMARC set up with a policy of quarantine or reject. These policies tell mailbox providers what to do with emails that fail DMARC authentication.
Email marketer from AuthSMTP.com shares to implement BIMI, you need a DMARC policy of either quarantine or reject. These policies instruct mailbox providers on how to handle emails that fail DMARC checks.
Email marketer from Mailhardener.com specifies that BIMI depends on DMARC for email authentication. Your DMARC policy must be set to either quarantine or reject for BIMI to function correctly.
Email marketer from SocketLabs.com says BIMI requires a DMARC policy set to either quarantine or reject. This ensures that only authenticated emails can display the associated brand logo.
What the experts say2Expert opinions
Expert from Spamresource says BIMI depends on DMARC to verify the authenticity of email senders. To use BIMI, you must have DMARC set up with a policy of quarantine or reject.
Expert from Word to the Wise notes that BIMI requires DMARC to be in place at either quarantine or reject. Recommends that BIMI is a nice addition to a strong sender authentication configuration.
What the documentation says3Technical articles
Documentation from BIMIGroup.org explains that to participate in BIMI, a strong DMARC policy (quarantine or reject) must be in place for both the Organizational Domain and the RFC5322.From Domain. Quarantine policies must have a 'pct' value of 100.
Documentation from Valimail.com highlights that BIMI requires DMARC authentication and enforcement, ensuring that only legitimate senders can display their logos. They also state BIMI builds on DMARC, requiring a policy of either quarantine or reject.
Documentation from datatracker.ietf.org specifies that for BIMI, the domain owner must have a strong DMARC policy (quarantine or reject) on both the organizational domain and the RFC5322.From domain of the message. Quarantine policies must not have a 'pct' less than pct=100.