DMARCLY

This post provides step-by-step instructions on how to add a DKIM record in CloudFlare.

First of all, a DKIM record is a TXT or CNAME record published in the DNS on your domain, under _(selector).domainkey.yourdomain.com, where “yourdomain…

We will go over how SPF works with subdomains in this article.

As discussed in the How DMARC Works With Subdomains post, not all subdomains need to publish a DMARC record, if the organizational domain already has one…

We will cover a lesser discussed DMARC topic in this article: how does DMARC work in subdomain scenarios?

Specifically, we will address these questions below:

Before divin…

A DMARC record lies at the center of every DMARC implementation, bearing crucial importance for the ultimate success of the implementation. In this post, we are going to take a deep dive into DMARC records.

A DMARC record is a TXT record published in the DNS on your domai…

What is DMARC?

DMARC, short for Domain-based Message Authentication, Reporting & Conformance, is an email authentication protocol to check if an email message really originates from where it claims to have, based on SPF and DKIM. In addition to email authentication, it also adds reporting capabi…

DMARC failure reports are generated and sent almost immediately by the mailbox provider after an email fails DMARC authentication. It provides detailed information about the email message so that the domain administrator can use it to investigate into what caused th…