New How-to Guide: Protecting Outbound Mail with DMARC

We’ve added a new how-to guide to our Literature page. This guide explains how DMARC (Domain-Based Message Authentication, Reporting & Conformance) works. DMARC takes the guesswork out of determining what to do with messages that did not originate from the domain specified in the From field of the message. When a message fails DKIM and SPF lookups, DMARC allows domain administrators to tell receiving mail server administrators or mailbox providers what to do with the message, such as accept, quarantine, or reject the message. Forensic and aggregate reports allow domain administrators to see how, when and where their domain is being abused.

You can download the DMARC Quick-Start Guide via our Literature page at www.altn.com.

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