Difference between revisions of "DKIM"

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97 bytes added ,  23:21, 14 December 2019
A domain owner can add DNS records which will publish a public key in a specially formatted
TXT record. The email server they use for sending email (eg smtp.aa.net.uk) holds the matching private key,
will sign messages and add this signature to the headers of the email. The record can either be a TXT record
or a CNAME pointing to a KEY in you email provider's DNS.
Other mail servers which receive the email can then inspect the DNS record and the headers to check if it all matches up.

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