Are your domains secure?

Whether your DMARC protection needs are DIY, fully customized, or somewhere in between, trust Valimail, the global leader in zero-trust sender identity solutions.


Valimail, the global leader in zero-trust email authentication security, invented hosted DMARC in 2015 and DMARC-as-a-service in 2021.



of cyberattacks start with
phishing email



emails authenticated each week



Valimail customers

“ Valimail for Microsoft 365 makes the service-discovery component of DMARC incredibly simple, providing a fully automated visibility service. ”

Girish Chander

Partner Group Product Manager, Microsoft Defender at Microsoft.

DMARC Monitoring

Valimail DMARC Monitor is a free, best-of-breed DMARC monitoring solution that identifies all third-party services sending email “from” your domains.

DMARC Enforcement

Valimail Enforce is the most effective solution for eliminating domain spoofing and getting to DMARC Enforcement for more complex email authentication needs.

Email Logo Authentication

Brand Indicators for Message Identification (BIMI) enables organizations already using DMARC to further authenticate emails by validating logo ownership and securely transmitting them through email platforms.

Are your domains secure?

Check your DMARC and SPF records in seconds with our Domain Analysis tool and see if you are exposed to threats


Whether you are a DMARC expert or just learning about the power of sender authentication, Valimail blogs are the place for you.

Valimail Wins Again!

The Business Intelligence Group today announced that Valimail has won the 2022 Fortress Cyber Security Awards in the data protection category.

How the Australian Labor Party stops email impersonation attacks
Myths and Truths of DMARC

DMARC can be a confusing topic: Points of view vary and there is no shortage of misinformation out there. But there are some recurring themes worth unpacking.

Our clients

Join the many clients who enjoy the protection only DMARC enforcement can bring.

uber logo
yelp logo
glu logo
splunk logo
agilent logo
travers smith logo

“We were effectively able to quarantine impersonated emails in a way we hadn’t been able to before. Solid security basics are something that every company should go after. You should have an investment in protecting your brand and your reputation as a company”

Chris Craven

Vp of Business Applications and Development Splunk