Fighting malware and spam

DKIM

Email authentication method to prevent forgery

DKIM (DomainKeys Identified Mail) and its predecessor DomainKeys are methods for email authentication that prove that an email is coming from the domain it claims to come from. DKIM uses public key cryptography to add a signature to the mail header, allowing the recipient to verify that the email is sent from the domain it claims to be sent from (only this domain knows the private key) and that it has not been tampered with (the signature would break otherwise). The technology is particularly popular with senders whose domains are frequently used by phishers. It works well together with SPF.

Related web links

• DKIM official website

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