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How DMARC Handles Domains and Subdomains in Email Addresses? DMARC uses the DNS to store records indicating how to evaluate incoming messages for authenticity

How long do DNS updates take? Whenever you make a DNS change, you almost always see a disclaimer saying it could take 24-48 hours for your change to fully take effect.

Although they work for the same purpose, DKIM and SPF are vastly different. Should you set up both of them? Find out here!

Spear phishing is a personalized version of a phishing attack. Read this to understand the techniques and learn how to protect yourself.

There is a new zero-day security vulnerability known as Log4Shell that hit the world last week. Here’s what you need to know.

A DMARC record helps servers authenticate emails linked to your domain. Click here to learn how to set up your DMARC record for Microsoft 365 in 5 simple steps.

There can never be enough protection and cybersecurity in today’s digital world. While large data breaches, distributed denial-of-service (DDoS) attacks, and other major cyber attacks loom at large, one cybersecurity threat often flies under the radar—fake or malicious emails.

Knowing the difference between spear phishing and regular phishing emails can help prevent data breaches. Click here to discover how Valimail can keep your email secure.