Our blog shares expert insights on email security, DMARC configuration, and deliverability optimization.
Set up the Zendesk SPF record with include:mail.zendesk.com, merge it into your existing SPF record, avoid outdated includes, and verify DMARC.
Set up a Proofpoint SPF record for Proofpoint Essentials outbound mail, choose the correct regional include, merge it into one SPF record, and verify DMARC.
Set up Zendesk DKIM with two CNAME records, enable custom domain signing, avoid delivery failures, and verify DMARC alignment.
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.
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.
Set up Amazon SES DKIM with Easy DKIM CNAMEs, understand when to pick BYODKIM or DEED, and avoid the per-region signing trap that breaks DMARC.
DMARC is now an IETF Standards Track protocol. RFC 9989, 9990, and 9991 replace RFC 7489 from 2015. Records still start with v=DMARC1, so most production deployments need nothing immediate. But the spec has real changes: new tags, the Public Suffix List is out, the p=reject guidance has flipped, and aggregate reports gained fields. Here is what changed and what to do about it.
A 2026 field guide to complaint feedback headers: Gmail Feedback-ID, Yahoo CFL enrollment, Microsoft SNDS/JMRP, Apple iCloud Mail, Comcast FBL, and RFC 9477 CFBL-Address.
An honest shortlist of the 6 best DMARC monitoring services in 2026. Compares DMARCTrust, Valimail, dmarcian, EasyDMARC, PowerDMARC, and DMARCLY on pricing, data residency, DNS monitoring, and what each one is genuinely good at.
Set up HubSpot DKIM by connecting an email sending domain, publishing two CNAME records, reviewing SPF and DMARC, and verifying authentication.
An MX record is the DNS entry that tells the rest of the internet which mail servers receive email for a domain. Here is how MX records work, what each field means, and why priority matters.
Phishing is broad impersonation. Spear phishing is targeted impersonation built around a specific person, role, vendor, or business process. Learn the difference, how executive phishing fits in, and where DMARC helps.
Hire an email deliverability consultant who has shipped billions of emails. Free assessment, hands-on engagement, written quote before any work starts.
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