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DKIM, opendkim, Postfix

Hello! I'm thinking about setting up DKIM on my mail server. I have a fair idea of how it all works, but I was wondering if there are any resources out there that might assist me with setting it up on a per-domain basis on a Debian server with Postfix MTA.

I don't mind using the same key for multiple domains, but I'd like to enable DKIM only for those domains that also have a DNS record with matching public key. Is that possible and if so, are there any references or tutorials I could look at?
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Julian Matz
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Julian Matz
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arnoldCommented:
https://help.ubuntu.com/community/Postfix/DKIM
http://syslog.tv/2010/01/11/dkim-on-debian-with-postfix/

http://www.howtoforge.com/set-up-dkim-for-multiple-domains-on-postfix-with-dkim-milter-2.8.x-centos-5.3


Deals with creating per domain key in /etc/mail/dkim/keys/ and adjust the entry in /etc/mail/dkim/keylist accordingly
test with one and then one at a time to make sure it all works.
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Julian MatzAuthor Commented:
Thanks
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