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Who We Are
- - The Global Cyber Alliance has a singular purpose: to reduce cyber risk. Learn about our goals, our impact, and meet the minds behind our mission.
Programs & Initiatives
- - At GCA, our core programs – Internet Integrity and Capacity & Resilience – aim to tackle key challenges of interent infrastructure, privacy, and safety.
- - Internet Integrity Program
    - Domain Trust
    - AIDE
  - Cyber Civil Defense
- - Capacity & Resilience Program
    - GCA Toolkits
    - Actionable Cybersecurity Tools
Tools
- - We create free, useful tools that make a real impact on improving security for organizations and individuals. Explore our tools here.
Get Involved
- - There are many ways that you can become part of our global effort. Whether it’s using one of our tools to help improve your own cybersecurity, partnering with us on cutting edge projects, or investing resources, your involvement is what makes our success possible!
- - Use a Tool
  - Become a Partner
- - Community Forum
  - Donate
News & Events
- - Explore the latest news from across the GCA community, find upcoming webinars and local events, and dive deeper into resource content.
- - News
  - Events
- - Blog
  - Reports & Publications

Resource

Is DMARC for Us?

January 10, 2018

By Shehzad Mirza

We have received many questions about DMARC, but there is one question that stands out the most: “Is DMARC is for us?” The answer is, if you have a public domain, yes DMARC is for you.

The flowchart below should help answer any questions.

NOTE: This flowchart is for email domains. If you have a public domain that is not used for email purposes, it is strongly recommended to implement DMARC at the highest policy level (reject) to prevent unauthorized systems from using that domain in spam/phishing campaigns.

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Is DMARC for Us?