diff --git a/telegram-base.c b/telegram-base.c
index 9f52841..7b87cae 100644
--- a/telegram-base.c
+++ b/telegram-base.c
@@ -450,3 +450,46 @@ void chat_add_all_users (PurpleConversation *pc, struct tgl_chat *chat) {
     p2tgl_conv_add_user(pc, *uid, NULL, flags, 0);
   }
 }
+
+
+static void pending_reads_cb (struct tgl_state *TLS, void *extra, int success)
+{
+  debug ("ack state: %d", success);
+}
+
+static gint pending_reads_compare (gconstpointer a, gconstpointer b)
+{
+  return !memcmp ((tgl_peer_id_t *)a, (tgl_peer_id_t *)b, sizeof(tgl_peer_id_t));
+}
+
+void pending_reads_send_all (GQueue *queue, struct tgl_state *TLS)
+{
+  debug ("send all pending ack");
+
+  tgl_peer_id_t *pending;
+  
+  while ((pending = (tgl_peer_id_t*) g_queue_pop_head(queue))) {
+    tgl_do_mark_read (TLS, *pending, pending_reads_cb, queue);
+    debug ("tgl_do_mark_read (%d)", pending->id);
+    free (pending);
+  }
+}
+
+void pending_reads_add (GQueue *queue, tgl_peer_id_t id)
+{
+  tgl_peer_id_t *copy = malloc (sizeof(tgl_peer_id_t));
+  *copy = id;
+  if (! g_queue_find_custom (queue, copy, pending_reads_compare)) {
+    g_queue_push_tail (queue, copy);
+  }
+}
+
+void pending_reads_clear (GQueue *queue)
+{
+  tgl_peer_id_t *pending;
+  
+  while ((pending = (tgl_peer_id_t*) g_queue_pop_head(queue))) {
+    free (pending);
+  }
+}
+
diff --git a/telegram-base.h b/telegram-base.h
index 5d6a484..bd0615e 100644
--- a/telegram-base.h
+++ b/telegram-base.h
@@ -19,6 +19,9 @@
 */
 #ifndef __TELEGRAM_BASE_H__
 #define __TELEGRAM_BASE_H__
+
+#include "telegram-purple.h"
+
 void read_state_file (struct tgl_state *TLS);
 void read_auth_file (struct tgl_state *TLS);
 void write_auth_file (struct tgl_state *TLS);
@@ -29,4 +32,9 @@ PurpleConversation *chat_show (PurpleConnection *gc, int id);
 int chat_add_message (struct tgl_state *TLS, struct tgl_message *M, char *text);
 void chat_add_all_users (PurpleConversation *pc, struct tgl_chat *chat);
 void request_code_entered (gpointer data, const gchar *code);
+
+void pending_reads_send_all (GQueue *queue, struct tgl_state *TLS);
+void pending_reads_add (GQueue *queue, tgl_peer_id_t id);
+void pending_reads_clear (GQueue *queue);
+
 #endif
diff --git a/telegram-purple.c b/telegram-purple.c
index 4972c9c..cc92393 100644
--- a/telegram-purple.c
+++ b/telegram-purple.c
@@ -331,6 +331,12 @@ static void update_message_received (struct tgl_state *TLS, struct tgl_message *
           p2tgl_got_im (TLS, M->to_id, text, PURPLE_MESSAGE_SEND, M->date);
         } else {
           p2tgl_got_im (TLS, M->from_id, text, PURPLE_MESSAGE_RECV, M->date);
+          
+          pending_reads_add (conn->pending_reads, M->from_id);
+          PurpleStatus *status = purple_account_get_active_status(conn->pa);
+          if (p2tgl_status_is_present(status)) {
+            pending_reads_send_all (conn->pending_reads, conn->TLS);
+          }
         }
       }
       break;
@@ -552,16 +558,25 @@ static GList *tgprpl_status_types (PurpleAccount * acct) {
   debug ("tgprpl_status_types()\n");
   GList *types = NULL;
   PurpleStatusType *type;
-  type = purple_status_type_new_with_attrs (PURPLE_STATUS_AVAILABLE, NULL, NULL,
-          1, 1, 0, "last online", "last online", purple_value_new (PURPLE_TYPE_STRING), NULL);
+  
+  type = purple_status_type_new_full(PURPLE_STATUS_AVAILABLE, NULL, NULL, FALSE, TRUE, FALSE);
   types = g_list_prepend (types, type);
   
-  type = purple_status_type_new_with_attrs (PURPLE_STATUS_MOBILE, NULL, NULL, 1,
-          1, 0, "last online", "last online", purple_value_new (PURPLE_TYPE_STRING), NULL);
+  type = purple_status_type_new_full(PURPLE_STATUS_MOBILE, NULL, NULL, FALSE, TRUE, FALSE);
+  types = g_list_prepend (types, type);
+
+  type = purple_status_type_new_full(PURPLE_STATUS_OFFLINE, NULL, NULL, FALSE, TRUE, FALSE);
   types = g_list_prepend (types, type);
   
-  type = purple_status_type_new (PURPLE_STATUS_OFFLINE, NULL, NULL, 1);
-  types = g_list_append (types, type);
+  /*
+    The states below are only registered internally so that we get notified about 
+    state changes to away and unavailable. This is useful for deciding when to send 
+    No other peer should ever have those states.
+   */
+  type = purple_status_type_new_full(PURPLE_STATUS_AWAY, NULL, NULL, FALSE, TRUE, FALSE);
+  types = g_list_prepend (types, type);
+  type = purple_status_type_new_full(PURPLE_STATUS_UNAVAILABLE, NULL, NULL, FALSE, TRUE, FALSE);
+  types = g_list_prepend (types, type);
   
   return g_list_reverse (types);
 }
@@ -609,7 +624,8 @@ static void tgprpl_login (PurpleAccount * acct) {
   conn->gc = gc;
   conn->pa = acct;
   conn->new_messages = g_queue_new ();
-  conn->joining_chats = g_hash_table_new_full(g_str_hash, g_str_equal, g_free, g_free);
+  conn->pending_reads = g_queue_new ();
+  conn->joining_chats = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_free);
   purple_connection_set_protocol_data (gc, conn);
   
   tgl_set_ev_base (TLS, conn);
@@ -628,7 +644,14 @@ static void tgprpl_close (PurpleConnection * gc) {
   debug ("tgprpl_close()\n");
   telegram_conn *conn = purple_connection_get_protocol_data(gc);
   purple_timeout_remove(conn->timer);
+
+  pending_reads_clear (conn->pending_reads);
+  
   tgl_free_all (conn->TLS);
+  g_queue_free (conn->new_messages);
+  g_queue_free (conn->pending_reads);
+  g_hash_table_destroy (conn->joining_chats);
+  
 }
 
 static int tgprpl_send_im (PurpleConnection * gc, const char *who, const char *message, PurpleMessageFlags flags) {
@@ -685,7 +708,16 @@ static void tgprpl_get_info (PurpleConnection * gc, const char *username) {
 }
 
 static void tgprpl_set_status (PurpleAccount * acct, PurpleStatus * status) {
-  debug ("tgprpl_set_status()\n");
+  debug ("tgprpl_set_status(%s)\n", purple_status_get_name (status));
+  debug ("tgprpl_set_status(currstatus=%s)\n", purple_status_get_name(purple_account_get_active_status(acct)));
+
+  PurpleConnection *gc = purple_account_get_connection(acct);
+  if (!gc) { return; }
+  telegram_conn *conn = purple_connection_get_protocol_data (gc);
+
+  if (p2tgl_status_is_present(status)) {
+    pending_reads_send_all (conn->pending_reads, conn->TLS);
+  }
 }
 
 static void tgprpl_add_buddy (PurpleConnection * gc, PurpleBuddy * buddy, PurpleGroup * group) {
diff --git a/telegram-purple.h b/telegram-purple.h
index 3b36565..c72f638 100644
--- a/telegram-purple.h
+++ b/telegram-purple.h
@@ -45,6 +45,7 @@ typedef struct {
 	PurpleConnection *gc;
   int updated;
   GQueue *new_messages;
+  GQueue *pending_reads;
   GHashTable *joining_chats;
   guint timer;
   int in_fallback_chat;
diff --git a/tgp-2prpl.c b/tgp-2prpl.c
index 22bc976..fd29c6f 100644
--- a/tgp-2prpl.c
+++ b/tgp-2prpl.c
@@ -85,6 +85,12 @@ char *p2tgl_strdup_alias(tgl_peer_t *user) {
   return g_alias;
 }
 
+int p2tgl_status_is_present (PurpleStatus *status)
+{
+  const char *name = purple_status_get_id (status);
+  return !(strcmp (name, "unavailable") == 0 || strcmp (name, "away") == 0);
+}
+
 static PurpleChat *blist_find_chat_by_hasht_cond(PurpleConnection *gc,
     int (*fn)(GHashTable *hasht, void *data), void *data) {
   PurpleAccount *account = purple_connection_get_account(gc);
diff --git a/tgp-2prpl.h b/tgp-2prpl.h
index 319281a..77f04a5 100644
--- a/tgp-2prpl.h
+++ b/tgp-2prpl.h
@@ -36,6 +36,7 @@ tgl_peer_t *p2tgl_get_peer (tgl_peer_id_t peer);
 tgl_peer_t *p2tgl_get_peer_by_id (int id);
 char *p2tgl_strdup_alias(tgl_peer_t *user);
 
+int p2tgl_status_is_present (PurpleStatus *status);
 
 PurpleConversation *p2tgl_got_joined_chat (struct tgl_state *TLS, struct tgl_chat *chat);
 void p2tgl_got_chat_invite (PurpleConnection *gc, tgl_peer_t *chat, tgl_peer_id_t inviter, const char *message);