Ultimate Multisite: Mailster Integration

Mailster Integration - Ultimate Multisite Addon Automatically subscribe customers to Mailster email lists during checkout with product-based segmentation and flexible opt-in options. Features - Product-based Segmentation: Assign customers to different lists based on products purchased - Flexible Timing: Subscribe on order creation (immediate) or payment complete - Compliance-Friendly: Automatic or checkbox opt-in modes for GDPR compliance - Double Opt-in: Optional email confirmation before subscription - Field Mapping: Automatically sync customer data (name, email, address) to Mailster - Multiple Lists: Support for assigning customers to multiple lists per product - Graceful Error Handling: Never blocks checkout if Mailster API fails - Comprehensive Logging: All operations logged for debugging Requirements - WordPress 5.3 or higher - PHP 7.4 or higher - Ultimate Multisite plugin (active) - Mailster plugin (active) Installation 1. Upload the addon files to /wp-content/plugins/ directory 2. Run composer install --no-dev to install dependencies 3. Network activate the plugin in WordPress 4. Configure settings at WP Ultimo Settings Mailster Integration Configuration Global S