package:amavisd-new-postfix:1:2.10.1-2ubuntu1 Setting up amavisd-new-postfix (1:2.10.1-2ubuntu1) ... postconf: warning: policy-spf_time_limit: unknown parameter postconf: warning: /etc/postfix/main.cf: unused parameter: policy-spf_time_limit=3600s postconf: warning: /etc/postfix/main.cf: unused parameter: policy-spf_time_limit=3600s Job for amavis.service failed because the control process exited with error code. See "systemctl status amavis.service" and "journalctl -xe" for details. invoke-rc.d: initscript amavis, action "restart" failed. dpkg: error processing package amavisd-new-postfix (--configure): subprocess installed post-installation script returned error exit status 1