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.
What is a DMARC record?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…
DMARC aggregate reports are files in the XML format containing aggregate email authentication information sent by Email Service Providers (ESP) like Gmail, Office 365, Yahoo Mail, etc. periodically to recipients designated by domain owners…
What is DKIM?
DKIM, which stands for DomainKeys Identified Mail, is an email authentication method designed to detect forged header fields and content in emails. DKIM enables the receiver to check if email headers and content have been altered in transit…
Yes, you can set up DMARC without DKIM and have only DMARC and SPF in the equation. In this case, DKIM check always fails and DMARC authentication result is up to SPF check and SPF identifier alignment, which still somewhat works but is less than optimal…
