69ef3ccf72
- Added models for NewsletterSystemSettings and NewsletterTemplateSettings to manage configuration. - Created forms for subscribing and unsubscribing from the newsletter. - Developed views for handling subscription, confirmation, and unsubscription processes. - Integrated Member Center API for managing newsletter subscriptions. - Implemented email sending functionality with SMTP settings. - Added templates for displaying subscription status and unsubscription confirmation. - Enhanced CSS for newsletter forms and status messages. - Included tests for newsletter functionality and security measures for sensitive data.