Domainkeys Identified Mail Dkim Signatures
This can be an author s organization an operational relay or one of.
Domainkeys identified mail dkim signatures. Dkim domain keys identified mail is an email authentication technique that allows the receiver to check that an email was indeed sent and authorized by the owner of that domain. This is done by giving the email a digital signature. Allman request for comments.
4871 sendmail inc. Domainkeys identified mail dkim is an email authentication method designed to detect forged sender addresses in emails email spoofing a technique often used in phishing and email spam. Domainkeys identified mail dkim defines a domain level authentication framework for email using public key cryptography and key server technology to permit verification of the source and contents of messages by either mail transfer agents mtas or mail user.
A sender creates the dkim by signing the email with a digital signature. This signature is located in the message s header. Domainkeys identified mail dkim lets an organization take responsibility for a message that is in transit.
Obsoleted by draft ietf dkim rfc4871bis draft ietf dkim rfc4871bis network working group e. Domainkeys identified mail dkim permits a person role or organization that owns the signing domain to claim some responsibility for a message by associating the domain with the message. Domainkeys identified mail dkim signatures rfc 4871 may 2007.
You should use dkim in addition to spf and dmarc to help prevent spoofers from sending messages that look like they are coming from your domain. The organization is a handler of the message either as its originator or as an intermediary. This dkim signature is a header that is added to the message and is secured with encryption.
Domainkeys identified mail dkim allows senders to associate a domain name with an email message thus vouching for its authenticity. Dkim allows the receiver to check that an email claimed to have come from a specific domain was indeed authorized by the owner of that domain 1 it. Domainkeys identified mail dkim permits a person role or organization that owns the signing domain to claim some responsibility for a message by associating the domain with the message.