DKIM vs. SPF: Understanding the difference to improve email deliverability
SPF and DKIM are essential email authentication protocols, but they’re not interchangeable. Learn how they differ, why you need both, and how to check.
What is a watering hole attack (and how to prevent it)
Learn everything you need to know about watering hole attacks to prevent them and protect your organization and its customers.
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.
What is a whaling attack in cybersecurity and how to stop it
Learn the ins and outs of whaling attacks, how they work, who they tend to target, and best practices to prevent them.
How good email systems sometimes send fraudulent messages
Learn how good email systems (like PayPal’s) sometimes send fraudulent emails and what you can do to better protect your domain, customers, and brand.
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.
Spear phishing vs phishing: Differences and examples in 2025
Learn about all the differences between spear phishing and phishing and ways to better protect your business in 2025.
3 types of dangerous email impersonation attacks to beware
Learn everything you need to know about the latest email impersonation attacks to better protect your business, employees, and customers.
Learning from loss: Mitigating BEC risks after a half-million dollar cyberattack
A town outside of Boston lost nearly half a million dollars due to a business email compromise (BEC) attack. Learn how to mitigate the risks so it doesn’t happen to you.
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.