Why Gmail is rejecting your emails (and how to fix it)
Gmail is actively deferring and rejecting email that fails authentication. Here’s what Google requires, what changed, and how to stay compliant.
DKIM vs SPF: What’s the difference and do you need both?
What’s the difference between DKIM vs SPF? Both authenticate email, but they work differently. Learn how SPF and DKIM protect your domain and why you need both.
One-click unsubscribe: What it is, how it works & compliance
Google and Yahoo now require a one-click unsubscribe button for bulk senders. Here’s how it works, why it matters, and best practices for compliance.
FedRAMP compliance: A guide to the authorization process
Learn everything you need to know about FedRAMP compliance—what it is, why it matters, key benefits, and the essential steps to achieving it.
The complete guide to business email compromise (BEC) attacks in 2025
Discover the 2025 BEC numbers, trends, and 6-step defense checklist, plus a free Valimail domain audit and email solution.
How to set up a Google Workspace SPF record (Gmail SPF setup and examples)
Learn how to create and set up a Google Workspace SPF record (Gmail SPF). Learn with our step-by-step guide, examples, and common mistakes to avoid for secure email.
An easier way to get your logo in the inbox: Google’s latest BIMI changes
Unlock your brand’s potential in Gmail! Google’s new BIMI update lets you display logos with a CMC—no trademark needed. Learn all about it here!
Microsoft joins Google and Yahoo in the charge for stronger email authentication
Microsoft announced they will be joining Google and Yahoo in the charge for stricter email sender requirements. Get the latest scoop here.
SPF macros explained: Everything you need to know
Learn everything you need to know about SPF macros to take better control over your SPF records.
How DMARC handles domains and subdomains in email addresses
Learn how DMARC handles domains and subdomains in email addresses to ensure you have the comprehensive protection you need to prevent spoofing.
Misconceptions and myths about the coming Google and Yahoo changes
There has been a lot of talk on the new Google and Yahoo email sender requirements. We’re going to give it to you straight.
Using DMARC with Office 365 and G Suite: What to Know
Learn what Office 365 and G Suite do for your email security and how to ensure you have the comprehensive DMARC coverage your business needs.