Bunch of buag fixes and updates

influence/app/routes/api.js

@@ -41,6 +41,21 @@ router.post(
 );
 
 // Email endpoints
+router.post(
+  '/emails/preview',
+  rateLimiter.general,
+  [
+    body('recipientEmail').isEmail().withMessage('Valid recipient email is required'),
+    body('senderName').notEmpty().withMessage('Sender name is required'),
+    body('senderEmail').isEmail().withMessage('Valid sender email is required'),
+    body('subject').notEmpty().withMessage('Subject is required'),
+    body('message').notEmpty().withMessage('Message is required'),
+    body('postalCode').matches(/^[A-Za-z]\d[A-Za-z]\s?\d[A-Za-z]\d$/).withMessage('Invalid postal code format')
+  ],
+  handleValidationErrors,
+  emailsController.previewEmail
+);
+
 router.post(
   '/emails/send',
   rateLimiter.email, // General hourly rate limit
@@ -58,19 +73,6 @@ router.post(
 );
 
 // Email testing endpoints
-router.post(
-  '/emails/preview',
-  requireAdmin,
-  rateLimiter.general,
-  [
-    body('recipientEmail').isEmail().withMessage('Valid recipient email is required'),
-    body('subject').notEmpty().withMessage('Subject is required'),
-    body('message').notEmpty().withMessage('Message is required')
-  ],
-  handleValidationErrors,
-  emailsController.previewEmail
-);
-
 router.post(
   '/emails/test',
   requireAdmin,