7 best DMARC tools for MSPs and multi-client management

Not every DMARC platform fits an MSP business model. We compare 7 platforms on multi-tenancy, white-labeling, billing fit, and partner support.
SPF, DKIM, and DMARC authentication: How they work together

Learn what SPF, DKIM, and DMARC do, why you need all three, and how to set each one up on your domain.
Why your emails go to spam: 8 fixes that work

Learn why your emails are going to the spam folder and what you can do to improve your deliverability and get them where they belong: the inbox.
How mergers and acquisitions expose hidden email authentication risks
Mergers and acquisitions create inconsistencies in email authentication and sender identity that create risks for both organizations
How to authenticate third-party email senders without hurting deliverability
The first marketing campaign usually works. So does the new payroll platform. Then the security team moves DMARC to enforcement. Then an invoice, password reset, or support reply disappears. That’s the third-party sender problem in miniature. Organizations want to stop attackers from spoofing their domains without blocking the vendors that keep the business running. The […]
DMARC fail? Here’s what it means and how to fix it

A DMARC fail means your email didn’t authenticate for the domain in the From field. Learn what each DMARC fail error code means and how to fix it.
One-click unsubscribe: What it is, how it works & compliance

Google, Yahoo, and Microsoft require one-click unsubscribe for bulk senders. Learn what RFC 8058 requires and how to implement the List-Unsubscribe header.
DMARC implementation: How to protect your domain in 6 steps

Learn everything you need to know about DMARC implementation to better protect your domain and customers.
Email identity and the future of customer trust

How strong email authentication supports customer trust in the inbox (and beyond).
What is a DNS TXT record? Purpose, verification, & examples

DNS TXT records help you prove you own your domain, keep your email secure, and tell other systems how to handle your email.
What happens when DMARC policies are applied to subdomains?

Learn how DMARC policies affect subdomains, including policy inheritance, the sp tag, alignment issues, and how to enforce DMARC without disrupting legitimate email.
DMARC alignment: Strict vs relaxed (what’s the difference?)

DMARC alignment decides whether your From domain matches SPF and DKIM. Learn how strict and relaxed modes work, and how to fix alignment failures.