How to implement DMARC with Debian and Postfix

By Hendrik Schuster

DAMRC makes it easier for you to comabt phishing and to recognise the abuse of your domain name. It has already been adopted by many major domains such as, and If you run a mailserver you should at the very least look into DMARC (and then implement it).

If you run a Debian/Postfix/Dovecot mail server have you covered with this tutorial:

How to eliminate SPAM and protect your name with DMARC