DMARC, or Domain-based Message Authentication, Reporting & Conformance, is a powerful protocol that allows you to monitor how reliably your emails are being delivered and detect fraudulent emails that are sent and claim to be from your organisation.
DMARC allows you to quickly and reliably detect misconfigurations in your SPF and/or DKIM security settings. With a properly deployed policy you can prevent fraudulent emails being sent that claim to be from your domain and detect what portion of your email are successfully delivered:
Detect misconfigured DKIM
Detect misconfigured SPF
Prevent fraudulent emails
Reduce phishing emails
Works at any scale
Minimal complexity
DMARC can be deployed in a completely safe manner by gradually introducing a reporting policy and observing reports before any enforcement takes place.
Once you have confidence that your SPF and DKIM settings are correct, you can begin to introduce enforcement on a small percentage of your outgoing emails.
After a period of both monitoring and increased enforcement a 100% effective DMARC policy can be deployed to offer total protection to all of your emails.
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