ZCS Administrator Guide 8.0
ZCS Administrator Guide 8.0
Open Source Edition


Managing Configuration > Using DKIM to Authenticate Email Message

Using DKIM to Authenticate Email Message
Domain Keys Identified Mail (DKIM) defines a domain-level authentication mechanism that lets your organization take responsibility for transmitting an email message in a way that can be verified by a recipient. Your organization can be the originating sending site or an intermediary. Your organization’s reputation is the basis for evaluating whether to trust the message delivery.
You can add a DKIM digital signature to outgoing email messages, associating the message with a domain name of your organization. You can enable DKIM signing for any number of domains that are being hosted by ZCS. It is not required for all domains to have DKIM signing enabled for the feature to work.
DKIM defines an authentication mechanism for email using
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The DKIM signature is added to the email message header field. The header information look like this example.
 
Receivers who successfully validate a DKIM signature can use information about the signer as part of a program to limit spam, spoofing, phising, or other undesirable behavior.
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