ConfigServer Security & Firewall (csf) is a stateful packet inspection (SPI) firewall, login/intrusion detection and security application for Linux servers.
The following commands will disable all CSF and LFD email notifications.
``` echo 'devnull: /dev/null' ยป /etc/aliases sed 's/To\: root/To\: devnull/g' -i /etc/csf/alerts/* ```