This is a guide to installing OpenDKIM for multiple domains on a Postfix-installtion on Debian. I tried some other guides but kept running into problems, so this is how I did it. Among others, Google Gmail and Yahoo mail check your email for a DKIM signature. Install and Configure OpenDKIM 1. Install OpenDKIM [code]apt-get install… Continue reading Guide to Install OpenDKIM for multiple domains with Postfix and Debian