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Spam Resource: DELIVTERMS: DomainKeys Identified Mail (DKIM)
Al Iverson just released a new interesting blog on Spam Resource:
DELIVTERMS: The (almost) weekly series here on Spam Resource that defines deliverability terminology. Today, I’m going to talk about DomainKeys Identified Mail (DKIM).What is DKIM? DomainKeys Identified Mail (DKIM) is an email authentication protocol. It is one of two different types of email authentication, the other being known as Sender Policy Framework (SPF). It uses a public/private key pair to generate a cryptographic signature for an email message, and the signature information is stored in a hidden “DKIM Signature” email header. The signature allows a receiving mail server to confirm that the message body (and various email headers) were not modified (that is to say, this is truly what was sent by the sender), and they also effectively identify the sender, when the domain name of the sender is the domain name used in the signature.A public/private key pair involves both a private key, which is a bit of information
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