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Is Your Agency DMARC Compliant?


Alexander García-Tobar, CEO and co-founder of ValiMail, joined the drive-time show “ Federal Drive ” on  Federal News Radio  to...
Valimail’s Email Authentication as a Service ™ gives you full control and visibility of your email services.


  1. Is Your Agency DMARC Compliant?
  2. U.S. Government DMARC Adoption Surges, Just Ahead of the Deadline
  3. Why Credit Companies and the IRS Won’t Send You Email


ValiMail Earns Recognition From MIT Sloan CIO Symposium

MIT’s Kresge Auditorium, site of the MITSloan CIO Symposium. Photo credit: Gunnar Klack/Flickr

We’re happy to announce that MIT Sloan CIO Symposium has selected ValiMail as one of ten...

What Is Email Authentication?

This is the first in a series of posts covering the basics of email authentication. Read the rest of the series:

For most of the past 40 years, we’ve ...

Being Careful About Links Is Not Enough

Photo by Chris Dlugosz/Flickr

According to the Anti-Phishing Working Group’s Q3 2016 report (.pdf), there are over 100,000 unique phishing sites active every month. And

Spear Phishers Use Fake Email Threads, Fake SPF Authentication

Spear phishing has gotten a lot more sophisticated since this photo was taken. Photo credit: Gerry Lauzon/Flickr

I work with people who are trying to prevent others from impersonating their...

FTC: Companies Are Embracing Email Authentication — Partially

The Federal Trade Commission announced today that U.S. companies seem to understand the value of email authentication — but they aren’t yet

Email Authentication and Mailing Lists Haven’t Worked Well Together — Until Now

DMARC and email lists: BFFs at last. Photo source:  Pixabay

One of the most common technical concerns we hear about email authentication through DMARC is that it doesn’t work with mailing...

How DMARC Handles Domains and Subdomains in Email Addresses (Part 1)

Photo credit: Profound Whatever/Flickr via photopin.com

DMARC uses the Domain Name System (DNS) to store records indicating how email receivers should evaluate incoming messages for...

DMARC: The Only 3 Tags You Really Need

These are not the tags you’re looking for. Photo credit: Lisa Brewster/Flickr

The DMARC standard defines a number of different tags that can be used in a DMARC record. Some of these tags are...

An Open Letter to the Trump Administration

The unofficial hat.

Dear President-Elect Trump:

As you take office on January 20, we are writing with a modest proposal: Make email great again.