Bounce management

database/init.sql

@@ -1,5 +1,19 @@
 -- Initialize database with default membership tiers
 
+-- Create email bounces table
+CREATE TABLE email_bounces (
+    id INT AUTO_INCREMENT PRIMARY KEY,
+    email VARCHAR(255) NOT NULL,
+    bounce_type ENUM('hard', 'soft') NOT NULL,
+    bounce_reason VARCHAR(500),
+    smtp2go_message_id VARCHAR(255),
+    bounced_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    resolved_at TIMESTAMP NULL,
+    is_active BOOLEAN DEFAULT TRUE,
+    INDEX idx_email (email),
+    INDEX idx_active (is_active)
+);
+
 -- Create default membership tiers
 INSERT INTO membership_tiers (name, description, annual_fee, benefits, is_active, created_at, updated_at)
 VALUES