Month: February 2014

DKIM with amavis and postfix

DKIM (DomainKeys Identified Mail) is a mechanism to sign emails cryptographically. It can be used to ensure an email was really sent by the domain it claims to come from. Therefore it is an interesting feature in spam checking.

In this post I’m going to describe how I set up DKIM with amavis to sign all outgoing messages with the key of my domain. This works well in my setup with postfix, dovecot and amavis (amavisd-new), for your own setup you might have to change some things.

This is a post from my old blog http://tech.cbjck.de. It has been moved here and slightly edited for better readability. It's also been adjusted to the new layout.
The content however is old and might be outdated.

Read More