Saturday, January 9, 2016

email - DKIM signing key

when I create DKIM key like this:




sudo opendkim-genkey -s mail -d example.com




-s specifies the selector and -d the domain, this command will create two files, mail.private is our private key and mail.txt contains the
public key.




Should I insert domain from mail comes, or the domain assigned to mail server in -d selector? (in my case these are 2 different domains, because I want to send from various mail domains in the future)

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