[colug-432] Postfix and dkim-milter

Mark Aufdencamp mark at aufdencamp.com
Thu Jan 27 10:50:34 EST 2011

I use dkim-filter and dk-filter on a few mail servers with Postfix.  All
Ubuntu rather than Centos.

The configuration file that points to the key file for dkim can be a bit
tricky, but nothing insurmountable.  It defines what key to utilize to
sign mail for a particular domain(s). Generate a Key pair, publish the
public key in dns, configure dkim-milter, configure dkim as a service
and restart it, then configure postfix to use it.

Yes Domain Key signing and Domain Key Identified Mail signing are two
separate entities. Both used by varying large mail services.

BTW  I've learned to appreciate the Perl mail libraries! Went back and
learned some more about Perl in order to do some bounce

Mark Aufdencamp

> -------- Original Message --------
> Subject: [colug-432] Postfix and dkim-milter
> From: "Matthew Gardlik, Ph.D." <matt at mattgardlik.com>
> Date: Wed, January 26, 2011 8:30 pm
> To: Central OH Linux User Group - 432xx <colug-432 at colug.net>
> Does anyone use dkim-milter with their Postfix MTA?  I'm currently 
> teaching myself how to set up a mail server on top of CentOS--I've got 
> it up and running, and would like to add DKIM next.
> However, I was reading through the dkim-milter INSTALL file, and it did 
> not provide much guidance in configuring it to work with Postfix.  Could 
> anyone point me to a good how-to regarding dkim-milter with Postfix? Or, 
> provide any helpful tips before I get started?
> Matt
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