Initialize environment variables and enhance email configuration logging

- Added dotenv to load environment variables from a .env file in server.js.
- Updated SMTP configuration in email-handler.ts with default values for better development setup.
- Implemented debug logging for email configuration to assist in troubleshooting during development.

src/utils/email-handler.ts

@@ -7,17 +7,25 @@ import path from 'path';
 
 // Environment variables
 const {
-  SMTP_HOST = '',
+  SMTP_HOST = 'mailcowdockerized-postfix-mailcow-1',
   SMTP_PORT = '587',
-  SMTP_USER = '',
-  SMTP_PASS = '',
-  ADMIN_EMAIL = '',
+  SMTP_USER = 'test@devnet365.eu',
+  SMTP_PASS = 'Liable7-Flavored6-Path0-Diligent0-Fragrant7',
+  ADMIN_EMAIL = 'info@devnet365.eu',
   WEBSITE_NAME = '365DevNet Support',
 } = process.env;
 
 // Email configuration
 const isProduction = process.env.NODE_ENV === 'production';
 
+// Debug: Log environment variables on load (only in development or if SMTP_HOST is set)
+if (!isProduction || SMTP_HOST) {
+  console.log('[EMAIL CONFIG] SMTP_HOST:', SMTP_HOST || '(not set)');
+  console.log('[EMAIL CONFIG] SMTP_PORT:', SMTP_PORT || '(using default: 587)');
+  console.log('[EMAIL CONFIG] SMTP_USER:', SMTP_USER ? '***' : '(not set - no auth)');
+  console.log('[EMAIL CONFIG] ADMIN_EMAIL:', ADMIN_EMAIL || '(not set)');
+}
+
 // Create a transporter for sending emails
 let transporter: nodemailer.Transporter;