Hi i find a small bug in ispconfig and dkim singing. Mi amavaisd installed is: amavisd-new-2.11.0-2.el7.noarch (CentOS Linux release 7.4.1708 (Core)) The bug its in file "/etc/amavisd.conf" include_config_files('/etc/amavisd/60-dkim'); But ispconfig are writing dkim config in the file /etc/60-dkim Fixit / Workaround: 1º - Verify is your file /etc/amavisd/60-dkim its empty If is empty run the next commands. mv /etc/amavisd/60-dkim /etc/amavisd/60-dkim.old ln -s /etc/60-dkim /etc/amavisd/60-dkim systemctl restart amavisd After restart amavisd you can she your dkim keys amavisd showkeys And these results: ; key#1 2048 bits, .......
