DMARC, SPF, and DKIM: Email Authentication Explained for Small Businesses

Understand the three email authentication protocols that prevent attackers from spoofing your domain.

If you have ever received a suspicious email that appeared to come from your own company domain, you have seen email spoofing in action. Criminals forge the "From" address on emails every day, impersonating trusted brands to trick employees into clicking malicious links, wiring funds, or handing over credentials. For small and mid-sized businesses, the …