diff --git a/frontend/src/components/BlockedSenders.jsx b/frontend/src/components/BlockedSenders.jsx
index 5fa6625..82d9517 100644
--- a/frontend/src/components/BlockedSenders.jsx
+++ b/frontend/src/components/BlockedSenders.jsx
@@ -2,38 +2,68 @@ import React, { useState } from 'react';
 import { FiSlash, FiPlus, FiTrash2, FiShield } from 'react-icons/fi';
 
 const BlockedSenders = ({ rule, onUpdate }) => {
-  // 'rule' ist hier das Objekt { email_address, blocked_patterns: [] }
   const [patterns, setPatterns] = useState(rule?.blocked_patterns || []);
   const [newPattern, setNewPattern] = useState('');
   const [inputError, setInputError] = useState('');
   const [isLoading, setIsLoading] = useState(false);
 
   const validatePattern = (pattern) => {
-    // Einfache Validierung: Muss mindestens 3 Zeichen haben und darf nicht leer sein.
-    // Wildcards * sind erlaubt.
+    // Einfache Validierung: Mindestens 3 Zeichen. Wildcards * sind erlaubt.
     return pattern.length >= 3;
   };
 
   const handleAddPattern = () => {
-    const trimmedPattern = newPattern.trim();
-    if (!trimmedPattern) {
-      setInputError('Pattern is required');
+    if (!newPattern.trim()) {
+      setInputError('Please enter a pattern');
       return;
     }
 
-    if (!validatePattern(trimmedPattern)) {
-      setInputError('Pattern too short or invalid');
+    // NEU: Splitten am Komma, bereinigen und leere Einträge filtern
+    const potentialPatterns = newPattern
+      .split(',')
+      .map(p => p.trim())
+      .filter(p => p.length > 0);
+
+    const validNewPatterns = [];
+    let duplicateCount = 0;
+    let invalidCount = 0;
+
+    potentialPatterns.forEach(pattern => {
+      // Validierung prüfen
+      if (!validatePattern(pattern)) {
+        invalidCount++;
+        return;
+      }
+      
+      // Duplikate prüfen (sowohl in bestehender Liste als auch in der neuen Charge)
+      if (patterns.includes(pattern) || validNewPatterns.includes(pattern)) {
+        duplicateCount++;
+        return;
+      }
+
+      validNewPatterns.push(pattern);
+    });
+
+    // Fehlerbehandlung: Wenn gar nichts hinzugefügt werden kann
+    if (validNewPatterns.length === 0) {
+      if (invalidCount > 0 && potentialPatterns.length === invalidCount) {
+        setInputError('All entered patterns were invalid (too short).');
+      } else if (duplicateCount > 0) {
+        setInputError('All entered patterns are already in the list.');
+      }
       return;
     }
 
-    if (patterns.includes(trimmedPattern)) {
-      setInputError('This pattern is already in the list');
-      return;
-    }
-
-    setPatterns([...patterns, trimmedPattern]);
+    // State aktualisieren
+    setPatterns([...patterns, ...validNewPatterns]);
     setNewPattern('');
-    setInputError('');
+    
+    // Optional: Feedback bei teilweisem Erfolg
+    if (invalidCount > 0 || duplicateCount > 0) {
+      setInputError(`Added ${validNewPatterns.length} patterns. (${invalidCount} invalid, ${duplicateCount} duplicates skipped)`);
+    } else {
+      setInputError('');
+    }
   };
 
   const handleRemovePattern = (patternToRemove) => {
@@ -64,7 +94,7 @@ const BlockedSenders = ({ rule, onUpdate }) => {
       {/* Add Pattern Form */}
       <div>
         <label htmlFor="block-pattern" className="block text-sm font-semibold text-gray-700 mb-2">
-          Block Sender Pattern
+          Block Sender Pattern(s)
         </label>
         <div className="flex gap-2">
           <div className="flex-1">
@@ -74,14 +104,17 @@ const BlockedSenders = ({ rule, onUpdate }) => {
               value={newPattern}
               onChange={(e) => {
                 setNewPattern(e.target.value);
-                setInputError('');
+                // Fehler nur löschen, wenn User tippt und keine Erfolgsmeldung angezeigt wird
+                if (!inputError.startsWith('Added')) setInputError('');
               }}
               onKeyPress={handleKeyPress}
-              placeholder="spam@*.com, *@badsite.org"
-              className={`input-field ${inputError ? 'border-red-500 focus:ring-red-500' : ''}`}
+              placeholder="spam@*.com, *@badsite.org (comma separated)"
+              className={`input-field ${inputError && !inputError.startsWith('Added') ? 'border-red-500 focus:ring-red-500' : ''}`}
             />
             {inputError && (
-              <p className="mt-1 text-sm text-red-600">{inputError}</p>
+              <p className={`mt-1 text-sm ${inputError.startsWith('Added') ? 'text-green-600' : 'text-red-600'}`}>
+                {inputError}
+              </p>
             )}
           </div>
           <button
@@ -93,7 +126,7 @@ const BlockedSenders = ({ rule, onUpdate }) => {
           </button>
         </div>
         <p className="mt-2 text-xs text-gray-500">
-          Supports wildcards (*). Examples: <code>marketing@spam.com</code>, <code>*@phishing.net</code>
+          Paste a comma-separated list to add multiple entries at once. Supports wildcards (*).
         </p>
       </div>
 
@@ -103,6 +136,14 @@ const BlockedSenders = ({ rule, onUpdate }) => {
           <label className="block text-sm font-semibold text-gray-700">
             Blocked Patterns ({patterns.length})
           </label>
+          {patterns.length > 0 && (
+            <button 
+              onClick={() => setPatterns([])}
+              className="text-xs text-red-600 hover:text-red-800 hover:underline"
+            >
+              Clear all
+            </button>
+          )}
         </div>
 
         {patterns.length === 0 ? (
@@ -112,10 +153,10 @@ const BlockedSenders = ({ rule, onUpdate }) => {
             <p className="text-sm text-gray-500 mt-1">Add a pattern above to block incoming emails</p>
           </div>
         ) : (
-          <div className="space-y-2">
+          <div className="space-y-2 max-h-[400px] overflow-y-auto pr-2 custom-scrollbar">
             {patterns.map((pattern, index) => (
               <div
-                key={index}
+                key={`${pattern}-${index}`}
                 className="flex items-center justify-between p-4 bg-white border border-gray-200 rounded-lg hover:border-red-300 transition-colors group"
               >
                 <div className="flex items-center gap-3">