From the course: ISC2 Systems Security Certified Practitioner (SSCP) (2024) Cert Prep

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DKIM

DKIM

From the course: ISC2 Systems Security Certified Practitioner (SSCP) (2024) Cert Prep

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DKIM

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- [Instructor] DomainKeys Identified Mail or DKIM is an important email security technology that uses cryptography to enhance the security of email messages. DKIM uses digital signature technology to allow domains to sign outbound email messages, verifying their authenticity. In order to use DKIM, organizations must work with their email provider to create a public private key pair that will then be associated with their domain for sending email. The public key is published so that everyone on the world can find it while the private key is kept secret. DKIM users publish their public key by creating a DNS record, as long as they have control of their DNS server, nobody other than the owner of the domain can create a DKIM record. Let's go ahead and take a look at a DKIM record. I'm going to use dig to do a DNS lookup for the DKIM record for my chapel.org domain. In this response, you'll find the public key for my domain.…

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