Ubuntu 26.04 Postfix OpenDMARC の設定

sudo apt update
sudo apt install -y opendmarc

sudo sed -n '1,160p' /etc/opendmarc.conf
sudo sed -n '1,120p' /etc/opendmarc/ignore.hosts 2>/dev/null || true

sudo systemctl enable --now opendmarc
systemctl status opendmarc --no-pager
journalctl -u opendmarc --since "1 hour ago" --no-pager