Event reminder emails not functioning ← Emails The easiest way is to use cPanl Cron job. See https://kb.iweb.com/hc/en-us/articles/230244168-Setting-up-cron-jobs-with-cPanel-Even you use PHPMailer, you still need to set up a SMTP server to send out emails. See https://github.com/PHPMailer/PHPMailer