Zabbix template for Postfix SMTP server
Works for Zabbix 4.x
Forked from http://admin.shamot.cz/?p=424
# for Ubuntu / Debian
apt-get install pflogsumm
# for CentOS
yum install postfix-perl-scripts
cp pygtail.py /usr/sbin/
chmod +x /usr/sbin/pygtail.py
# ! check MAILLOG path in zabbix-postfix-stats.sh
cp zabbix-postfix-stats.sh /usr/bin/
chmod +x /usr/bin/zabbix-postfix-stats.sh
cp userparameter_postfix.conf /etc/zabbix/zabbix_agentd.d/
# run visudo as root
Defaults:zabbix !requiretty
zabbix ALL=(ALL) NOPASSWD: /usr/bin/zabbix-postfix-stats.sh
systemctl restart zabbix-agent
Finally import template_app_zabbix.xml and attach it to your host