diff --git a/news_sender/sender_service.py b/news_sender/sender_service.py
index ad43d2b..cfdc24d 100644
--- a/news_sender/sender_service.py
+++ b/news_sender/sender_service.py
@@ -38,6 +38,7 @@ class Config:
     
     # Newsletter
     MAX_ARTICLES = int(os.getenv('NEWSLETTER_MAX_ARTICLES', '10'))
+    HOURS_LOOKBACK = int(os.getenv('NEWSLETTER_HOURS_LOOKBACK', '24'))
     WEBSITE_URL = os.getenv('WEBSITE_URL', 'http://localhost:3000')
 
 
@@ -48,19 +49,51 @@ articles_collection = db['articles']
 subscribers_collection = db['subscribers']
 
 
-def get_latest_articles(max_articles=10):
+def get_latest_articles(max_articles=10, hours=24):
     """
-    Get latest articles with AI summaries from database
+    Get latest articles with AI summaries from database (from today only)
+    
+    Args:
+        max_articles: Maximum number of articles to return
+        hours: Number of hours to look back (default 24)
     
     Returns:
-        list: Articles with summaries
+        list: Articles with summaries published today
     """
-    cursor = articles_collection.find(
-        {'summary': {'$exists': True, '$ne': None}}
-    ).sort('created_at', -1).limit(max_articles)
+    from datetime import timedelta
+    
+    # Calculate cutoff time (e.g., 24 hours ago)
+    cutoff_time = datetime.utcnow() - timedelta(hours=hours)
+    
+    # Get start of today (00:00:00 UTC)
+    today_start = datetime.utcnow().replace(hour=0, minute=0, second=0, microsecond=0)
+    
+    # Query for articles with summaries published today OR created today
+    # This ensures we only get fresh articles from today
+    cursor = articles_collection.find({
+        'summary': {'$exists': True, '$ne': None},
+        '$or': [
+            # Articles published today (if published_at is available)
+            {'published_at': {'$gte': today_start}},
+            # Articles created today (fallback if published_at is missing)
+            {'created_at': {'$gte': today_start}}
+        ]
+    }).sort('created_at', -1).limit(max_articles)
     
     articles = []
     for doc in cursor:
+        # Double-check the date to ensure it's from today
+        published_at = doc.get('published_at')
+        created_at = doc.get('created_at')
+        
+        # Skip if both dates are old (extra safety check)
+        if published_at and isinstance(published_at, datetime):
+            if published_at < today_start:
+                continue
+        elif created_at and isinstance(created_at, datetime):
+            if created_at < today_start:
+                continue
+        
         articles.append({
             'title': doc.get('title', ''),
             'author': doc.get('author'),
@@ -179,20 +212,23 @@ def send_newsletter(max_articles=None, test_email=None):
             'error': 'Email credentials not configured'
         }
     
-    # Get articles
+    # Get articles from today only
     max_articles = max_articles or Config.MAX_ARTICLES
-    print(f"\nFetching latest {max_articles} articles with AI summaries...")
-    articles = get_latest_articles(max_articles)
+    today_date = datetime.now().strftime('%B %d, %Y')
+    print(f"\nFetching articles published TODAY ({today_date})...")
+    print(f"  Max articles: {max_articles}")
+    articles = get_latest_articles(max_articles, hours=Config.HOURS_LOOKBACK)
     
     if not articles:
-        print("❌ No articles with summaries found")
-        print("   Run the crawler with Ollama enabled first")
+        print("❌ No articles from today with summaries found")
+        print(f"   No articles published today ({today_date})")
+        print("   Run the crawler with Ollama enabled to get fresh content")
         return {
             'success': False,
-            'error': 'No articles with summaries'
+            'error': f'No articles published today'
         }
     
-    print(f"✓ Found {len(articles)} articles")
+    print(f"✓ Found {len(articles)} recent article(s)")
     
     # Get subscribers
     if test_email:
@@ -255,21 +291,24 @@ def send_newsletter(max_articles=None, test_email=None):
     }
 
 
-def preview_newsletter(max_articles=None):
+def preview_newsletter(max_articles=None, hours=None):
     """
     Generate newsletter HTML for preview (doesn't send)
     
     Args:
         max_articles: Maximum number of articles to include
+        hours: Hours to look back (default from config)
         
     Returns:
         str: HTML content
     """
     max_articles = max_articles or Config.MAX_ARTICLES
-    articles = get_latest_articles(max_articles)
+    hours = hours or Config.HOURS_LOOKBACK
+    articles = get_latest_articles(max_articles, hours=hours)
     
     if not articles:
-        return "<h1>No articles with summaries found</h1><p>Run the crawler with Ollama enabled first.</p>"
+        today_date = datetime.now().strftime('%B %d, %Y')
+        return f"<h1>No articles from today found</h1><p>No articles published today ({today_date}). Run the crawler with Ollama enabled to get fresh content.</p>"
     
     return render_newsletter_html(articles)