How To Configure and Validate DKIM Records on Zimbra

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First, login to Zimbra server via SSH and generate DKIM

su - zimbra
/opt/zimbra/libexec/zmdkimkeyutil -a -d imanudin.net -s selector

The result of above command is like below



For records key DKIM is line on () starting with “v=DKIM1…..until double quote (“). Block and copy the records and check on website : http://dkimcore.org/tools/. Paste on key record for checking and validate.




The above result still problem on double quote (“). Please remove all double quote (“) and check it again



The above picture is valid DKIM key record after remove double quote (“) on all records DKIM. Block (Ctrl+a) and copy (Ctrl+c) the valid DKIM records and insert in public DNS. In here, i am using cPanel for insert DKIM records






Please try to send email to Gmail and see the result



If you has been saw Signed by on Gmail, it’s mean you has been success to configure DKIM. If no, usually still waiting for propagation of DNS

The following is example configure DKIM records on GIF



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