Learn about DMARC, SPF, and DKIM

Welcome to DMARCPal's Learn blog. Check our posts to discover and learn more about DMARC, SPF, DKIM, and how to get the most value of your DMARCPal subscription.

DMARC setup stage 3 — test & adjust

This is a continuation post covering a process to setup DMARC on active domains. Visit A (sane) DMARC setup process for busy email domains to know more about this post series.

Depending on the volume of emails you send, how old your domain is, and how much exposure it has, your DMARC reports...

dmarctutorialgoogle workspace
Solved: Google Calendar invites failing DMARC checks

If you are a Google Workspace user and use Google Calendar, you may have noticed some DMARC fails on your DMARC reports.

Here’s a sample record extracted by DMARCPal Record Explorer showing the issue:

Record with failed DMARC check

The problem is caused by Google sending those emails from domains that don’t align with the...

dmarcgoogle workspace
Your Google Workspace DKIM setup may be broken (and you may not know it)

We’ve seen this happening to a few domains hosted on Google Workspace: DKIM is properly set up on the domain, email is okay, and DMARC passes.

All seems fine, except that DKIM is not authenticating emails “From” the user domain.

Because Gmail works, people think that DKIM is doing the right th...

dkimgoogle workspace