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DomainKeys

   Also found in: Wikipedia 0.01 sec.
DomainKeys
An e-mail authentication method that computes a digital signature which is added to the message header. The receiving mail server obtains the sender's public key from the DNS system to validate the signature. In 2004, Yahoo! began to sign all outgoing mail with DomainKeys headers.

Yahoo! and Cisco = DomainKeys Identified Mail
Yahoo!'s DomainKeys was combined with Cisco's Identified Internet Mail system, which maintains signature consistency, to become DomainKeys Identified Mail (DKIM). DKIM is backward compatible with the DomainKeys system. See e-mail authentication, Vouch By Reference and digital signature.


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The protocol DomainKeys or its newer cousin, DKIM, is used to verify that a message actually came from the purported sender's domain--the part following the @ sign.
DomainKeys technology adds another layer to spam and phishing protection by enabling internet service providers to see whether messages are real and that they should be delivered to a customer's inbox.
By using the SMTP server and a DomainKeys Identified Mail (DKIM) authentication technique, the spammers can ensure that the email generated is more likely to get past conventional anti-spam filters.
 
 
 
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