If you confused with standard zabbix email notification, you can add this script to your zabbix system.

Please follow steps below to make this script works,

1. Login to your zabbix admin page
2. Open "Media types" page from "Administration" > "Media Types"
3. Click on button "Create Media type", then change Type to "Script"
4. Fill all fields and fill "script name" field with "zabbixtp", then click Save
5. Open "Actions" page from "Configuration" > "Action", adjust your alert messages, conditions, and other configs that fits your needs.
6. Now time to place zabbixtp file to your zabbix path, login to terminal and place zabixtp file on /usr/lib/zabbix/alertscripts/ (may be different, depends on your zabbix version or OS, please check on your zabbix_server.conf)