Question: A threat actor is successfully sending email messages using a forged domain to a large variety of recipients. What can the domain owner do to

A threat actor is successfully sending email messages using a forged domain to a large variety of recipients. What can the domain owner do to help mitigate the problem?

Group of answer choices

Use a strong hashing algorithm on the email headers.

Enable SPF on the MUAs of their employees.

Use a spam filter in its email system.

Use DKIM to generate private keys.

Set a TXT record in its DNS

.

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