Source
Deliverability infrastructure — found from sitemap — Dotdigital
Checked for Dotdigital on 30 Sep 2026
- Page
- https://marketing.help.dotdigital.com/en/articles/8199002-understand-email-authentication
- Checked
- 30 Sep 2026, 14:56 UTC
- How we may use it
- Public page, crawling permitted
Technical details
- type
- page
- http status
- 200
- content hash
- sha256:8cd1a9a8c2e1bfd0784d82adb4e7eab7a9bae4149e52417767094b79d668d83c
- permission
- robots_ok
- screenshot
- Screenshot on file (internal exhibit, not published)
Cited by
Facts read from this source
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Authentication protocols Report an error
“We use three forms of email authentication: SPF, DKIM and DMARC. All of these protocols use the Domain Name System (DNS).”
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Gmail yahoo microsoft requirements Report an error
“The SPF, DKIM, and default DMARC records used by Dotdigital Marketing comply with the Gmail and Yahoo authentication requirements which went into force on February 1, 2024, and the new Microsoft authentication requirements that took effect in May 2025.”
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Spf ip configuration Report an error
“However, if your sending domain is within Dotdigital Marketing, only the IP address of our mail servers are specified. You cannot add additional IP addresses because all emails sent with your account uses our specific mail servers.”
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Dkim record provision Report an error
“The DKIM public key is published as a TXT record in your domain's DNS. Dotdigital Marketing provides the correct record value as part of the CFA setup process.”
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Dkim key size default Report an error
“Dotdigital Marketing currently defaults to a 2048-bit key for all new CFA domains, while some older CFA domains may still be using a 1024-bit key.”
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Dkim key upgrade Report an error
“If your CFA domain is using a 1024-bit DKIM key and you want to upgrade, contact our support team and request a 2048-bit DKIM key.”
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Dmarc default policy Report an error
“We configure CFAs with DMARC by default and set the policy to `none`. All reporting is sent to our reporting address for DMARC reports.”
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Dmarc policy options Report an error
“Three DMARC policies define what a receiver should do with an email that fails authentication.”
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Bimi requires enforcement Report an error
“If you want to implement BIMI, you must use an enforcement level policy.”
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Dmarc policy change contact Report an error
“If you'd like to change the policy or add additional reporting addresses, contact our support team for help.”
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Subdomain delegation notification Report an error
“If you deploy DMARC for your organisational domain and delegate a subdomain to Dotdigital Marketing, you must let us know to adapt to your policy.”
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Entity Report an error
“Dotdigital, a trading name of dotdigital EMEA Ltd. (company no. 03762341), registered office No. 1 London Bridge, SE1 9BG.”
1 fact read from this page is not shown because it could not be confirmed on the page as captured.
Scores citing this record
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