Master the essential distinctions between system emails and marketing emails in open-source web platforms like WordPress, Joomla, and Moodle. This course demystifies how platforms handle email delivery using PHP, SMTP, and third-party mailers. You’ll learn setup procedures for reliable email delivery, including SMTP configuration, and explore premium marketing email tools like AcyMailing. By course completion, you’ll confidently configure email systems for optimal performance, deliverability, and marketing potential.