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.
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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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