We also use Hero CMS; it is a platform that has an automated email dripping system. We use Hero to automatically send a series of emails to anyone that signs up for our services.
Founder & CEO - MySiteAuditor
1%Stacklist Startups Are Using Hero CMS
Hero Framework is a powerful, open-source Content Management System (CMS) and eCommerce framework built on CodeIgniter.
Visit the website: https://github.com/electricfunction/hero