Email security insights, DMARC tutorials, and product updates https://www.dmarctrust.com/blog en-us Tue, 15 Sep 2026 20:58:00 -0000 A DKIM selector is the s= label that tells a receiving server which public key verifies your mail. Here is the selector each major provider uses, and two ways to find yours in under a minute. Tue, 15 Sep 2026 20:58:00 -0000 https://www.dmarctrust.com/blog/dkim-selector-explained https://www.dmarctrust.com/blog/dkim-selector-explained dmarc-setup free-tools Klaviyo passes DMARC only through a branded sending domain. Add the domain in Klaviyo, publish the DNS records it generates, and verify alignment step by step. Wed, 09 Sep 2026 20:58:00 -0000 https://www.dmarctrust.com/blog/setup-dmarc-klaviyo https://www.dmarctrust.com/blog/setup-dmarc-klaviyo dmarc-setup Set up DMARC for Google Workspace: publish the _dmarc TXT record at your DNS host, start at p=none with a reporting address, and move to enforcement on report evidence. Tue, 01 Sep 2026 18:57:00 -0000 https://www.dmarctrust.com/blog/setup-dmarc-google-workspace https://www.dmarctrust.com/blog/setup-dmarc-google-workspace dmarc-setup For a decade, DMARC used a volunteer-maintained text file to find the organizational boundary for domains like news.example.co.uk. RFC 9989 replaces that lookup with a DNS tree walk. Here is what changed and what to check. Wed, 26 Aug 2026 09:21:00 -0000 https://www.dmarctrust.com/blog/dmarc-dns-tree-walk-replaces-public-suffix-list https://www.dmarctrust.com/blog/dmarc-dns-tree-walk-replaces-public-suffix-list dmarc-monitoring Marketing mail sent through Mailchimp, SendGrid, or Klaviyo fails DMARC by default because the ESP signs and bounces under its own domain, not yours. Here is the per-provider fix. Tue, 25 Aug 2026 09:21:00 -0000 https://www.dmarctrust.com/blog/why-emails-fail-dmarc-mailchimp-sendgrid-klaviyo https://www.dmarctrust.com/blog/why-emails-fail-dmarc-mailchimp-sendgrid-klaviyo email-deliverability dmarc-setup A protocol-grounded explanation of what a DMARC fail is, why a passing SPF or DKIM check can still fail DMARC, and how to diagnose and fix it. Tue, 11 Aug 2026 09:22:00 -0000 https://www.dmarctrust.com/blog/dmarc-fail https://www.dmarctrust.com/blog/dmarc-fail email-deliverability dmarc-setup Set up the SendGrid SPF record or current domain authentication records. Understand include:sendgrid.net, the return-path, and DMARC alignment. Wed, 05 Aug 2026 10:23:00 -0000 https://www.dmarctrust.com/blog/setup-spf-sendgrid https://www.dmarctrust.com/blog/setup-spf-sendgrid dmarc-setup Set up SendGrid DKIM with the account-specific s1 and s2 CNAME records, publish the complete authentication set, and verify DMARC alignment. Wed, 29 Jul 2026 10:23:00 -0000 https://www.dmarctrust.com/blog/setup-dkim-sendgrid https://www.dmarctrust.com/blog/setup-dkim-sendgrid dmarc-setup Set up Proofpoint DKIM for outbound mail by confirming signing support, publishing tenant-specific DNS records, and verifying DMARC alignment. Wed, 22 Jul 2026 10:22:00 -0000 https://www.dmarctrust.com/blog/setup-dkim-proofpoint https://www.dmarctrust.com/blog/setup-dkim-proofpoint dmarc-setup Looking for an EasyDMARC alternative? Compare DMARC monitoring tools on pricing, EU/US data residency, DNS change alerts, and sender insights. See why teams choose DMARCTrust for transparent per-domain pricing and a focused DMARC workflow. Fri, 17 Jul 2026 10:15:00 -0000 https://www.dmarctrust.com/blog/easydmarc-alternative https://www.dmarctrust.com/blog/easydmarc-alternative vendor-comparison Où publier DMARC pour un domaine .fr ou .eu, quelle politique choisir selon que le domaine envoie des e-mails ou non, et quelles erreurs éviter. Fri, 17 Jul 2026 09:20:00 -0000 https://www.dmarctrust.com/blog/dmarc-domaines-fr-eu https://www.dmarctrust.com/blog/dmarc-domaines-fr-eu dmarc-setup Looking for a dmarcian alternative? Here's how to evaluate DMARC monitoring tools on pricing, data residency, sender insights, and DNS alerts, and why teams choose DMARCTrust for transparent per-domain pricing. Wed, 15 Jul 2026 10:15:00 -0000 https://www.dmarctrust.com/blog/dmarcian-alternative https://www.dmarctrust.com/blog/dmarcian-alternative vendor-comparison Set up DKIM for Cvent event and eMarketing email by requesting account-specific signing details, publishing the DNS record, and verifying DMARC alignment. Wed, 08 Jul 2026 10:22:00 -0000 https://www.dmarctrust.com/blog/setup-dkim-cvent https://www.dmarctrust.com/blog/setup-dkim-cvent dmarc-setup Set up Salesforce SPF with include:_spf.salesforce.com, account for Email Security Compliance, configure DKIM, and verify DMARC alignment. Wed, 01 Jul 2026 10:21:00 -0000 https://www.dmarctrust.com/blog/setup-spf-salesforce https://www.dmarctrust.com/blog/setup-spf-salesforce dmarc-setup Publish the Google Workspace SPF record, merge other senders into one TXT value, avoid the 10-query limit, and verify DMARC alignment. Wed, 24 Jun 2026 10:10:00 -0000 https://www.dmarctrust.com/blog/setup-spf-google-workspace https://www.dmarctrust.com/blog/setup-spf-google-workspace dmarc-setup Set up the Zendesk SPF record with include:mail.zendesk.com, remove outdated includes, configure DKIM, and verify support email DMARC. Wed, 17 Jun 2026 10:17:00 -0000 https://www.dmarctrust.com/blog/setup-spf-zendesk https://www.dmarctrust.com/blog/setup-spf-zendesk dmarc-setup Set up the Proofpoint Essentials SPF record, use the value assigned to your tenant, check the 10-query limit, and verify DMARC alignment. Wed, 10 Jun 2026 10:23:00 -0000 https://www.dmarctrust.com/blog/setup-spf-proofpoint https://www.dmarctrust.com/blog/setup-spf-proofpoint dmarc-setup Set up Zendesk DKIM with two CNAME records, enable custom domain signing, avoid delivery failures, and verify DMARC alignment. Mon, 08 Jun 2026 10:16:00 -0000 https://www.dmarctrust.com/blog/setup-dkim-zendesk https://www.dmarctrust.com/blog/setup-dkim-zendesk dmarc-setup Set up Google Workspace DKIM by generating a key in the Admin console, publishing the DNS TXT record, turning on authentication, and verifying DMARC alignment. Wed, 03 Jun 2026 10:13:00 -0000 https://www.dmarctrust.com/blog/setup-dkim-google-workspace https://www.dmarctrust.com/blog/setup-dkim-google-workspace dmarc-setup Amazon SES SPF passes by default, but it does not align with DMARC unless you configure a custom MAIL FROM domain. Here is the exact setup. Mon, 01 Jun 2026 10:15:00 -0000 https://www.dmarctrust.com/blog/setup-spf-amazon-ses https://www.dmarctrust.com/blog/setup-spf-amazon-ses dmarc-setup