Topic: DKIM signing for multiple virtual domains?
DKIM signing works great for my default domain. I'm sure I've missed something but what is the "correct" way of signing emails from multiple virtual domains? It appears I can use the same key or use a catchall in the amavisd.conf file to sign ALL outgoing emails. But what are the best practices for DKIM signing in this situation?
So far it doesn't seem obvious how to do this. The two parts to the equation that I can see so far are that I need new key files in /var/lib/dkim/ and the /etc/amavisd.conf file needs to be modified. Is there a simple command that I can run to add other keys and that adds the new config lines to the appropriate files?
Or was there a different way to set up the box initially that would have done all this for me for multiple domains?
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