diff --git a/src/main/java/im/conversations/android/xmpp/Managers.java b/src/main/java/im/conversations/android/xmpp/Managers.java
index 6ef4e59f7..121a444d2 100644
--- a/src/main/java/im/conversations/android/xmpp/Managers.java
+++ b/src/main/java/im/conversations/android/xmpp/Managers.java
@@ -14,6 +14,7 @@ import im.conversations.android.xmpp.manager.NickManager;
 import im.conversations.android.xmpp.manager.PepManager;
 import im.conversations.android.xmpp.manager.PresenceManager;
 import im.conversations.android.xmpp.manager.PubSubManager;
+import im.conversations.android.xmpp.manager.ReceiptManager;
 import im.conversations.android.xmpp.manager.RosterManager;
 
 public final class Managers {
@@ -33,6 +34,7 @@ public final class Managers {
                 .put(PepManager.class, new PepManager(context, connection))
                 .put(PresenceManager.class, new PresenceManager(context, connection))
                 .put(PubSubManager.class, new PubSubManager(context, connection))
+                .put(ReceiptManager.class, new ReceiptManager(context, connection))
                 .put(RosterManager.class, new RosterManager(context, connection))
                 .build();
     }
diff --git a/src/main/java/im/conversations/android/xmpp/manager/CarbonsManager.java b/src/main/java/im/conversations/android/xmpp/manager/CarbonsManager.java
index 740266289..d24a47214 100644
--- a/src/main/java/im/conversations/android/xmpp/manager/CarbonsManager.java
+++ b/src/main/java/im/conversations/android/xmpp/manager/CarbonsManager.java
@@ -20,7 +20,8 @@ public class CarbonsManager extends AbstractManager {
 
     public CarbonsManager(Context context, XmppConnection connection) {
         super(context, connection);
-        this.messageProcessor = new MessageProcessor(context, connection, false);
+        this.messageProcessor =
+                new MessageProcessor(context, connection, MessageProcessor.Level.CARBON);
     }
 
     public void enable() {
diff --git a/src/main/java/im/conversations/android/xmpp/manager/ReceiptManager.java b/src/main/java/im/conversations/android/xmpp/manager/ReceiptManager.java
new file mode 100644
index 000000000..78ce5845f
--- /dev/null
+++ b/src/main/java/im/conversations/android/xmpp/manager/ReceiptManager.java
@@ -0,0 +1,43 @@
+package im.conversations.android.xmpp.manager;
+
+import android.content.Context;
+import com.google.common.base.Strings;
+import eu.siacs.conversations.xmpp.Jid;
+import im.conversations.android.xmpp.XmppConnection;
+import im.conversations.android.xmpp.model.DeliveryReceiptRequest;
+import im.conversations.android.xmpp.model.markers.Markable;
+import im.conversations.android.xmpp.model.receipts.Received;
+import im.conversations.android.xmpp.model.receipts.Request;
+import im.conversations.android.xmpp.model.stanza.Message;
+import java.util.Collection;
+
+public class ReceiptManager extends AbstractManager {
+
+    public ReceiptManager(Context context, XmppConnection connection) {
+        super(context, connection);
+    }
+
+    public void received(
+            final Jid from,
+            final String id,
+            Collection<DeliveryReceiptRequest> deliveryReceiptRequests) {
+        if (deliveryReceiptRequests.isEmpty() || Strings.isNullOrEmpty(id)) {
+            return;
+        }
+        // TODO check roster
+        final Message response = new Message();
+        response.setTo(from);
+        for (final DeliveryReceiptRequest request : deliveryReceiptRequests) {
+            if (request instanceof Request) {
+                final var received = response.addExtension(new Received());
+                received.setId(id);
+            } else if (request instanceof Markable) {
+                final var received =
+                        response.addExtension(
+                                new im.conversations.android.xmpp.model.markers.Received());
+                received.setId(id);
+            }
+        }
+        connection.sendMessagePacket(response);
+    }
+}
diff --git a/src/main/java/im/conversations/android/xmpp/model/DeliveryReceiptRequest.java b/src/main/java/im/conversations/android/xmpp/model/DeliveryReceiptRequest.java
new file mode 100644
index 000000000..a5a7533bb
--- /dev/null
+++ b/src/main/java/im/conversations/android/xmpp/model/DeliveryReceiptRequest.java
@@ -0,0 +1,8 @@
+package im.conversations.android.xmpp.model;
+
+public abstract class DeliveryReceiptRequest extends Extension {
+
+    protected DeliveryReceiptRequest(Class<? extends Extension> clazz) {
+        super(clazz);
+    }
+}
diff --git a/src/main/java/im/conversations/android/xmpp/model/markers/Markable.java b/src/main/java/im/conversations/android/xmpp/model/markers/Markable.java
new file mode 100644
index 000000000..08161af70
--- /dev/null
+++ b/src/main/java/im/conversations/android/xmpp/model/markers/Markable.java
@@ -0,0 +1,12 @@
+package im.conversations.android.xmpp.model.markers;
+
+import im.conversations.android.annotation.XmlElement;
+import im.conversations.android.xmpp.model.DeliveryReceiptRequest;
+
+@XmlElement
+public class Markable extends DeliveryReceiptRequest {
+
+    public Markable() {
+        super(Markable.class);
+    }
+}
diff --git a/src/main/java/im/conversations/android/xmpp/model/markers/Received.java b/src/main/java/im/conversations/android/xmpp/model/markers/Received.java
new file mode 100644
index 000000000..bb350be4d
--- /dev/null
+++ b/src/main/java/im/conversations/android/xmpp/model/markers/Received.java
@@ -0,0 +1,16 @@
+package im.conversations.android.xmpp.model.markers;
+
+import im.conversations.android.annotation.XmlElement;
+import im.conversations.android.xmpp.model.Extension;
+
+@XmlElement
+public class Received extends Extension {
+
+    public Received() {
+        super(Received.class);
+    }
+
+    public void setId(String id) {
+        this.setAttribute("id", id);
+    }
+}
diff --git a/src/main/java/im/conversations/android/xmpp/model/markers/package-info.java b/src/main/java/im/conversations/android/xmpp/model/markers/package-info.java
new file mode 100644
index 000000000..ff62e26b7
--- /dev/null
+++ b/src/main/java/im/conversations/android/xmpp/model/markers/package-info.java
@@ -0,0 +1,5 @@
+@XmlPackage(namespace = Namespace.CHAT_MARKERS)
+package im.conversations.android.xmpp.model.markers;
+
+import eu.siacs.conversations.xml.Namespace;
+import im.conversations.android.annotation.XmlPackage;
diff --git a/src/main/java/im/conversations/android/xmpp/model/receipts/Received.java b/src/main/java/im/conversations/android/xmpp/model/receipts/Received.java
new file mode 100644
index 000000000..07d904bc8
--- /dev/null
+++ b/src/main/java/im/conversations/android/xmpp/model/receipts/Received.java
@@ -0,0 +1,16 @@
+package im.conversations.android.xmpp.model.receipts;
+
+import im.conversations.android.annotation.XmlElement;
+import im.conversations.android.xmpp.model.Extension;
+
+@XmlElement
+public class Received extends Extension {
+
+    public Received() {
+        super(Received.class);
+    }
+
+    public void setId(String id) {
+        this.setAttribute("id", id);
+    }
+}
diff --git a/src/main/java/im/conversations/android/xmpp/model/receipts/Request.java b/src/main/java/im/conversations/android/xmpp/model/receipts/Request.java
new file mode 100644
index 000000000..684477af3
--- /dev/null
+++ b/src/main/java/im/conversations/android/xmpp/model/receipts/Request.java
@@ -0,0 +1,12 @@
+package im.conversations.android.xmpp.model.receipts;
+
+import im.conversations.android.annotation.XmlElement;
+import im.conversations.android.xmpp.model.DeliveryReceiptRequest;
+
+@XmlElement
+public class Request extends DeliveryReceiptRequest {
+
+    public Request() {
+        super(Request.class);
+    }
+}
diff --git a/src/main/java/im/conversations/android/xmpp/model/receipts/package-info.java b/src/main/java/im/conversations/android/xmpp/model/receipts/package-info.java
new file mode 100644
index 000000000..196a915fd
--- /dev/null
+++ b/src/main/java/im/conversations/android/xmpp/model/receipts/package-info.java
@@ -0,0 +1,5 @@
+@XmlPackage(namespace = Namespace.DELIVERY_RECEIPTS)
+package im.conversations.android.xmpp.model.receipts;
+
+import eu.siacs.conversations.xml.Namespace;
+import im.conversations.android.annotation.XmlPackage;
diff --git a/src/main/java/im/conversations/android/xmpp/processor/MessageProcessor.java b/src/main/java/im/conversations/android/xmpp/processor/MessageProcessor.java
index 0d86adbb9..85de45bc6 100644
--- a/src/main/java/im/conversations/android/xmpp/processor/MessageProcessor.java
+++ b/src/main/java/im/conversations/android/xmpp/processor/MessageProcessor.java
@@ -1,10 +1,12 @@
 package im.conversations.android.xmpp.processor;
 
 import android.content.Context;
-import com.google.common.base.Strings;
+import eu.siacs.conversations.xmpp.Jid;
 import im.conversations.android.xmpp.XmppConnection;
 import im.conversations.android.xmpp.manager.CarbonsManager;
 import im.conversations.android.xmpp.manager.PubSubManager;
+import im.conversations.android.xmpp.manager.ReceiptManager;
+import im.conversations.android.xmpp.model.DeliveryReceiptRequest;
 import im.conversations.android.xmpp.model.carbons.Received;
 import im.conversations.android.xmpp.model.carbons.Sent;
 import im.conversations.android.xmpp.model.pubsub.event.Event;
@@ -17,50 +19,66 @@ public class MessageProcessor extends XmppConnection.Delegate implements Consume
 
     private static final Logger LOGGER = LoggerFactory.getLogger(MessageProcessor.class);
 
-    private final boolean isRoot;
+    private final Level level;
 
     public MessageProcessor(final Context context, final XmppConnection connection) {
-        this(context, connection, true);
+        this(context, connection, Level.ROOT);
     }
 
     public MessageProcessor(
-            final Context context, final XmppConnection connection, final boolean isRoot) {
+            final Context context, final XmppConnection connection, final Level level) {
         super(context, connection);
-        this.isRoot = isRoot;
+        this.level = level;
     }
 
     @Override
     public void accept(final Message message) {
 
-        if (isRoot && connection.fromServer(message) && message.hasExtension(Received.class)) {
+        if (isRoot() && connection.fromServer(message) && message.hasExtension(Received.class)) {
             getManager(CarbonsManager.class).handleReceived(message.getExtension(Received.class));
             return;
         }
 
-        if (isRoot && connection.fromServer(message) && message.hasExtension(Sent.class)) {
+        if (isRoot() && connection.fromServer(message) && message.hasExtension(Sent.class)) {
             getManager(CarbonsManager.class).handleSent(message.getExtension(Sent.class));
             return;
         }
 
-        if (isRoot && message.hasExtension(Event.class)) {
+        if (isRoot() && message.hasExtension(Event.class)) {
             getManager(PubSubManager.class).handleEvent(message);
             return;
         }
 
-        final String body = message.getBody();
-        if (!Strings.isNullOrEmpty(body)) {
-            LOGGER.info("'{}' from {}", body, message.getFrom());
-        }
+        final String id = message.getId();
+        final Jid from = message.getFrom();
 
         LOGGER.info("Message received {}", message.getExtensionIds());
 
-        // TODO process receipt requests (184 + 333)
+        // TODO only do this if transformation was successful or nothing to transform
+        if (isRealtimeProcessor()) {
+            final var requests = message.getExtensions(DeliveryReceiptRequest.class);
+            getManager(ReceiptManager.class).received(from, id, requests);
+        }
+
+        // TODO parse chat states
 
         // TODO collect Extensions that require transformation (everything that will end up in the
         // message tables)
 
-        // TODO pass pubsub events to pubsub manager
-
         // TODO pass JMI to JingleManager
     }
+
+    private boolean isRoot() {
+        return this.level == Level.ROOT;
+    }
+
+    private boolean isRealtimeProcessor() {
+        return this.level != Level.ARCHIVE;
+    }
+
+    public enum Level {
+        ROOT,
+        CARBON,
+        ARCHIVE
+    }
 }