How to Enable Email Alerts in Keepalived

Enable email notifications in the keepalived configuration file

1. Add the line smtp_alert to the vrrp_instance section of the configuration file:
2. vrrp_instance VI_1 state MASTER. interface eth0. virtual_router_id 5. priority 10. advert_int 1. ...
3. Restart keepalived to load the configuration changes:
4. # service keepalived restart.