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Moving/cloning a Postfix/Dovecot mailserver with SPF & DKIM
I have to move my mailserver to a new box. It's running Postfix/Dovecot with SPF & DKIM set up. SPF is DNS side, so all I have to do is change the respective A & MX records pointing to the IP address of the new box. How about DKIM? Can I just copy (clone) the whole container and caboodle to the new box and be done? Or will I have to generate new DKIM signatures for each mail domain on the new box again to be valid?
Comments
You can use the same keys for DKIM on the new box. I'd just clone it or reinstall the services and copy the config files over.
@CharlesA: Thanks! That's what I thought, but wanted to be sure this can be done the easy way
Yep. Better safe than sorry.