The importance of email security is higher than ever with sensitive data being exchanged online. We get a lot of questions about email security – specifically, how to prevent people from being able to spoof your domain. First, let’s clarify what email spoofing is. Email spoofing is fraudulent email activity hiding email origins. The act of e-mail spoofing occurs when imposters are able to deliver an email by altering an email’s sender information.

Now, I’m going to cover three high-level DNS-related tactics that you can take to help prevent people from trying to spoof your email domain.

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