diff --git a/app/src/main/java/eu/faircode/email/AdapterMessage.java b/app/src/main/java/eu/faircode/email/AdapterMessage.java
index 73c9617060..87e1ac4bc5 100644
--- a/app/src/main/java/eu/faircode/email/AdapterMessage.java
+++ b/app/src/main/java/eu/faircode/email/AdapterMessage.java
@@ -2809,13 +2809,11 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
         }
 
         private void onActionJunk(TupleMessageEx message) {
-            String who = MessageHelper.formatAddresses(message.from);
-
             Bundle aargs = new Bundle();
-            aargs.putString("question", context.getString(R.string.title_ask_spam_who, who));
             aargs.putLong("id", message.id);
+            aargs.putString("from", MessageHelper.formatAddresses(message.from));
 
-            FragmentDialogAsk ask = new FragmentDialogAsk();
+            FragmentDialogJunk ask = new FragmentDialogJunk();
             ask.setArguments(aargs);
             ask.setTargetFragment(parentFragment, FragmentMessages.REQUEST_MESSAGE_JUNK);
             ask.show(parentFragment.getParentFragmentManager(), "message:junk");
@@ -4790,6 +4788,33 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
         }
     }
 
+    public static class FragmentDialogJunk extends FragmentDialogBase {
+        @NonNull
+        @Override
+        public Dialog onCreateDialog(@Nullable Bundle savedInstanceState) {
+            String from = getArguments().getString("from");
+
+            View view = LayoutInflater.from(getContext()).inflate(R.layout.dialog_junk, null);
+            final TextView tvMessage = view.findViewById(R.id.tvMessage);
+            final CheckBox cbBlock = view.findViewById(R.id.cbBlock);
+
+            tvMessage.setText(getString(R.string.title_ask_spam_who, from));
+            cbBlock.setEnabled(ActivityBilling.isPro(getContext()));
+
+            return new AlertDialog.Builder(getContext())
+                    .setView(view)
+                    .setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
+                        @Override
+                        public void onClick(DialogInterface dialog, int which) {
+                            getArguments().putBoolean("block", cbBlock.isChecked());
+                            sendResult(RESULT_OK);
+                        }
+                    })
+                    .setNegativeButton(android.R.string.cancel, null)
+                    .create();
+        }
+    }
+
     public static class FragmentKeywordManage extends FragmentDialogBase {
         @NonNull
         @Override
diff --git a/app/src/main/java/eu/faircode/email/FragmentMessages.java b/app/src/main/java/eu/faircode/email/FragmentMessages.java
index ec03b5cdbd..fe9c870c09 100644
--- a/app/src/main/java/eu/faircode/email/FragmentMessages.java
+++ b/app/src/main/java/eu/faircode/email/FragmentMessages.java
@@ -129,6 +129,8 @@ import org.bouncycastle.cms.jcajce.JcaSimpleSignerInfoVerifierBuilder;
 import org.bouncycastle.cms.jcajce.JceKeyTransEnvelopedRecipient;
 import org.bouncycastle.cms.jcajce.JceKeyTransRecipient;
 import org.bouncycastle.util.Store;
+import org.json.JSONException;
+import org.json.JSONObject;
 import org.jsoup.nodes.Document;
 import org.jsoup.nodes.Element;
 import org.openintents.openpgp.AutocryptPeerUpdate;
@@ -167,6 +169,7 @@ import java.util.Map;
 import java.util.Objects;
 import java.util.Properties;
 
+import javax.mail.Address;
 import javax.mail.FolderClosedException;
 import javax.mail.Session;
 import javax.mail.internet.InternetAddress;
@@ -4226,7 +4229,7 @@ public class FragmentMessages extends FragmentBase implements SharedPreferences.
                     break;
                 case REQUEST_MESSAGE_JUNK:
                     if (resultCode == RESULT_OK && data != null)
-                        onJunk(data.getBundleExtra("args").getLong("id"));
+                        onJunk(data.getBundleExtra("args"));
                     break;
                 case REQUEST_MESSAGES_JUNK:
                     if (resultCode == RESULT_OK)
@@ -5075,14 +5078,12 @@ public class FragmentMessages extends FragmentBase implements SharedPreferences.
         }.execute(this, args, "messages:delete:execute");
     }
 
-    private void onJunk(long id) {
-        Bundle args = new Bundle();
-        args.putLong("id", id);
-
+    private void onJunk(Bundle args) {
         new SimpleTask<Void>() {
             @Override
-            protected Void onExecute(Context context, Bundle args) {
+            protected Void onExecute(Context context, Bundle args) throws JSONException {
                 long id = args.getLong("id");
+                boolean block = args.getBoolean("block");
 
                 DB db = DB.getInstance(context);
                 try {
@@ -5098,12 +5099,40 @@ public class FragmentMessages extends FragmentBase implements SharedPreferences.
 
                     EntityOperation.queue(context, message, EntityOperation.MOVE, junk.id);
 
+                    if (block && message.from != null)
+                        for (Address from : message.from) {
+                            String sender = ((InternetAddress) from).getAddress();
+                            String name = MessageHelper.formatAddresses(new Address[]{from});
+
+                            JSONObject jsender = new JSONObject();
+                            jsender.put("value", sender);
+                            jsender.put("regex", false);
+
+                            JSONObject jcondition = new JSONObject();
+                            jcondition.put("sender", jsender);
+
+                            JSONObject jaction = new JSONObject();
+                            jaction.put("type", EntityRule.TYPE_MOVE);
+                            jaction.put("target", junk.id);
+
+                            EntityRule rule = new EntityRule();
+                            rule.folder = message.folder;
+                            rule.name = context.getString(R.string.title_block, name);
+                            rule.order = 1000;
+                            rule.enabled = true;
+                            rule.stop = true;
+                            rule.condition = jcondition.toString();
+                            rule.action = jaction.toString();
+                            rule.id = db.rule().insertRule(rule);
+                        }
+
+
                     db.setTransactionSuccessful();
                 } finally {
                     db.endTransaction();
                 }
 
-                ServiceSynchronize.eval(context, "move");
+                ServiceSynchronize.eval(context, "junk");
 
                 return null;
             }
diff --git a/app/src/main/res/layout/dialog_junk.xml b/app/src/main/res/layout/dialog_junk.xml
new file mode 100644
index 0000000000..bc2f73e39d
--- /dev/null
+++ b/app/src/main/res/layout/dialog_junk.xml
@@ -0,0 +1,43 @@
+<?xml version="1.0" encoding="utf-8"?>
+<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:padding="24dp"
+    android:scrollbarStyle="outsideOverlay">
+
+    <androidx.constraintlayout.widget.ConstraintLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content">
+
+        <TextView
+            android:id="@+id/tvMessage"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="@string/title_ask_spam_who"
+            android:textAppearance="@style/TextAppearance.AppCompat.Medium"
+            android:textColor="?android:attr/textColorPrimary"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent" />
+
+        <CheckBox
+            android:id="@+id/cbBlock"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="12dp"
+            android:text="@string/title_block_sender"
+            android:textAppearance="@style/TextAppearance.AppCompat.Small"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@id/tvMessage" />
+
+        <TextView
+            android:id="@+id/tvBlockHint"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="@string/title_block_sender_hint"
+            android:textAppearance="@style/TextAppearance.AppCompat.Small"
+            android:textColor="?android:attr/textColorPrimary"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@+id/cbBlock" />
+    </androidx.constraintlayout.widget.ConstraintLayout>
+</ScrollView>
\ No newline at end of file
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 967fa62424..d66fe44a69 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -85,6 +85,13 @@
     </plurals>
     <string name="title_ask_spam_who">Treat message from %1$s as spam?</string>
 
+    <string name="title_block">Block %1$s</string>
+    <string name="title_block_sender">Block sender</string>
+    <string name="title_block_sender_hint">
+        This will create a rule to automatically move future messages to the spam folder.
+        Creating and using rules is a pro feature.
+    </string>
+
     <string name="title_notification_waiting">Waiting for suitable connection</string>
     <string name="title_notification_sending">Sending messages</string>
     <string name="title_notification_failed">\'%1$s\' failed</string>