DMARC Domain based message authentication, reporting and conformance

DMARC authorisation and authentication

Easily authenticate sender identity and authorise where emails come from to prevent phishing.

Emails are essential in today's world, yet how can we be sure they're genuine?

Securing email is easier with DMARC by aligning policy with authentication and authorisation

This site aims to be a UK resource for anyone interested in improving email security by offering tools and resources to implement dmarc, spf and dkim for anyone responsible for email policy or implementation in an organisation.

How can I check the dmarc status of an email?

Simply enter an email address and click assess.


What is DMARC and how can it help me?

Find out how DMARC can offer confidence with Authorisation and Authentication, plus the simple tools you can use to check your email now.

Read an overview and implement DMARC in three easy stages

  1. Monitor without affecting current arrangements, gather information and plan for implementation;
  2. Quarantine emails that don't follow your policy;
  3. Reject emails that don't follow your policy.

Looking for more information?

Perhaps these resources can help answer any questions

  • Help and information
  • Tools
  • Standards>