diff --git a/include/diaspora.php b/include/diaspora.php
index b72239c4c..f1e6f7ff0 100644
--- a/include/diaspora.php
+++ b/include/diaspora.php
@@ -14,6 +14,7 @@ require_once('include/queue_fn.php');
 require_once('include/lock.php');
 require_once('include/threads.php');
 require_once('mod/share.php');
+require_once('include/enotify.php');
 
 function diaspora_dispatch_public($msg) {
 
@@ -1598,47 +1599,6 @@ function diaspora_comment($importer,$xml,$msg) {
 		proc_run('php','include/notifier.php','comment-import',$message_id);
 	}
 
-	$myconv = q("SELECT `author-link`, `author-avatar`, `parent` FROM `item` WHERE `parent-uri` = '%s' AND `uid` = %d AND `parent` != 0 AND `deleted` = 0 ",
-		dbesc($parent_item['uri']),
-		intval($importer['uid'])
-	);
-
-	if(count($myconv)) {
-		$importer_url = $a->get_baseurl() . '/profile/' . $importer['nickname'];
-
-		foreach($myconv as $conv) {
-
-			// now if we find a match, it means we're in this conversation
-
-			if(! link_compare($conv['author-link'],$importer_url))
-				continue;
-
-			require_once('include/enotify.php');
-
-			$conv_parent = $conv['parent'];
-
-			notification(array(
-				'type'         => NOTIFY_COMMENT,
-				'notify_flags' => $importer['notify-flags'],
-				'language'     => $importer['language'],
-				'to_name'      => $importer['username'],
-				'to_email'     => $importer['email'],
-				'uid'          => $importer['uid'],
-				'item'         => $datarray,
-				'link'		   => $a->get_baseurl().'/display/'.urlencode($datarray['guid']),
-				'source_name'  => $datarray['author-name'],
-				'source_link'  => $datarray['author-link'],
-				'source_photo' => $datarray['author-avatar'],
-				'verb'         => ACTIVITY_POST,
-				'otype'        => 'item',
-				'parent'       => $conv_parent,
-				'parent_uri'   => $parent_uri
-			));
-
-			// only send one notification
-			break;
-		}
-	}
 	return;
 }
 
@@ -1793,7 +1753,6 @@ function diaspora_conversation($importer,$xml,$msg) {
 			intval($conversation['id'])
 		);
 
-		require_once('include/enotify.php');
 		notification(array(
 			'type' => NOTIFY_MAIL,
 			'notify_flags' => $importer['notify-flags'],
diff --git a/include/enotify.php b/include/enotify.php
index e02c61383..54b59857c 100644
--- a/include/enotify.php
+++ b/include/enotify.php
@@ -633,4 +633,129 @@ function notification($params) {
 
 }
 
+/**
+ * @brief Checks for item related notifications and sends them
+ *
+ * @param int $itemid ID of the item for which the check should be done
+ * @param int $uid User ID
+ * @param str $defaulttype (Optional) Forces a notification with this type.
+ */
+function check_item_notification($itemid, $uid, $defaulttype = "") {
+
+	$notification_data = array("uid" => $uid, "profiles" => array());
+	call_hooks('check_item_notification', $notification_data);
+
+	$profiles = $notification_data["profiles"];
+
+	$user = q("SELECT `notify-flags`, `language`, `username`, `email` FROM `user` WHERE `uid` = %d", intval($uid));
+	if (!$user)
+		return false;
+
+	$owner = q("SELECT `id`, `url` FROM `contact` WHERE `self` AND `uid` = %d LIMIT 1", intval($uid));
+	if (!$owner)
+		return false;
+
+	$profiles[] = $owner[0]["url"];
+
+	$profiles2 = array();
+
+	foreach ($profiles AS $profile) {
+		$profiles2[] = normalise_link($profile);
+		$profiles2[] = str_replace("http://", "https://", normalise_link($profile));
+	}
+
+	$profiles = $profiles2;
+
+	$profile_list = "";
+
+	foreach ($profiles AS $profile) {
+		if ($profile_list != "")
+			$profile_list .= "', '";
+
+		$profile_list .= dbesc($profile);
+	}
+
+	$profile_list = "'".$profile_list."'";
+
+	// Only act if it is a "real" post
+	// We need the additional check for the "local_profile" because of mixed situations on connector networks
+	$item = q("SELECT `id`, `mention`, `tag`,`parent`, `title`, `body`, `author-name`, `author-link`, `author-avatar`, `guid`,
+			`parent-uri`, `uri`, `contact-id`
+			FROM `item` WHERE `id` = %d AND `verb` IN ('%s', '') AND `type` != 'activity' AND
+				NOT (`author-link` IN ($profile_list))  LIMIT 1",
+		intval($itemid), dbesc(ACTIVITY_POST));
+	if (!$item)
+		return false;
+
+	// Generate the notification array
+	$params = array();
+	$params["uid"] = $uid;
+	$params["notify_flags"] = $user[0]["notify-flags"];
+	$params["language"] = $user[0]["language"];
+	$params["to_name"] = $user[0]["username"];
+	$params["to_email"] = $user[0]["email"];
+	$params["item"] = $item[0];
+	$params["parent"] = $item[0]["parent"];
+	$params["link"] = App::get_baseurl().'/display/'.urlencode($item[0]["guid"]);
+	$params["otype"] = 'item';
+	$params["source_name"] = $item[0]["author-name"];
+	$params["source_link"] = $item[0]["author-link"];
+	$params["source_photo"] = $item[0]["author-avatar"];
+
+	if ($item[0]["parent-uri"] === $item[0]["uri"]) {
+                // Send a notification for every new post?
+                $r = q("SELECT `notify_new_posts` FROM `contact` WHERE `id` = %d AND `uid` = %d AND `notify_new_posts` LIMIT 1",
+                        intval($item[0]['contact-id']),
+                        intval($uid)
+                );
+                $send_notification = count($r);
+
+                if (!$send_notification) {
+                        $tags = q("SELECT `url` FROM `term` WHERE `otype` = %d AND `oid` = %d AND `type` = %d AND `uid` = %d",
+                                intval(TERM_OBJ_POST), intval($itemid), intval(TERM_MENTION), intval($uid));
+
+                        if (count($tags)) {
+                                foreach ($tags AS $tag) {
+                                        $r = q("SELECT `id` FROM `contact` WHERE `nurl` = '%s' AND `uid` = %d AND `notify_new_posts`",
+                                                normalise_link($tag["url"]), intval($uid));
+                                        if (count($r))
+                                                $send_notification = true;
+                                }
+                        }
+                }
+
+		if ($send_notification) {
+			$params["type"] = NOTIFY_SHARE;
+			$params["verb"] = ACTIVITY_TAG;
+		}
+	}
+
+	// Is the user mentioned in this post?
+	$tagged = false;
+
+	foreach ($profiles AS $profile) {
+		if (strpos($item[0]["tag"], "=".$profile."]") OR strpos($item[0]["body"], "=".$profile."]"))
+			$tagged = true;
+	}
+
+	if ($item[0]["mention"] OR $tagged OR ($defaulttype == NOTIFY_TAGSELF)) {
+		$params["type"] = NOTIFY_TAGSELF;
+		$params["verb"] = ACTIVITY_TAG;
+	}
+
+	// Is it a post that the user had started or where he interacted?
+	$parent = q("SELECT `thread`.`iid` FROM `thread` INNER JOIN `item` ON `item`.`parent` = `thread`.`iid`
+			WHERE `thread`.`iid` = %d AND `thread`.`uid` = %d AND NOT `thread`.`ignored` AND
+				(`thread`.`mention` OR `item`.`author-link` IN ($profile_list))
+			LIMIT 1",
+			intval($item[0]["parent"]), intval($uid));
+
+	if ($parent AND !isset($params["type"])) {
+		$params["type"] = NOTIFY_COMMENT;
+		$params["verb"] = ACTIVITY_POST;
+	}
+
+	if (isset($params["type"]))
+		notification($params);
+}
 ?>
diff --git a/include/items.php b/include/items.php
index cf044d883..5a3e021f9 100644
--- a/include/items.php
+++ b/include/items.php
@@ -16,6 +16,7 @@ require_once('include/ostatus.php');
 require_once('include/feed.php');
 require_once('include/Contact.php');
 require_once('mod/share.php');
+require_once('include/enotify.php');
 
 require_once('library/defuse/php-encryption-1.2.1/Crypto.php');
 
@@ -1313,67 +1314,15 @@ function item_store($arr,$force_parent = false, $notify = false, $dontcache = fa
 	create_files_from_item($current_post);
 
 	// Only check for notifications on start posts
-	if ($arr['parent-uri'] === $arr['uri']) {
+	if ($arr['parent-uri'] === $arr['uri'])
 		add_thread($current_post);
-		logger('item_store: Check notification for contact '.$arr['contact-id'].' and post '.$current_post, LOGGER_DEBUG);
-
-		// Send a notification for every new post?
-		$r = q("SELECT `notify_new_posts` FROM `contact` WHERE `id` = %d AND `uid` = %d AND `notify_new_posts` LIMIT 1",
-			intval($arr['contact-id']),
-			intval($arr['uid'])
-		);
-		$send_notification = count($r);
-
-		if (!$send_notification) {
-			$tags = q("SELECT `url` FROM `term` WHERE `otype` = %d AND `oid` = %d AND `type` = %d AND `uid` = %d",
-				intval(TERM_OBJ_POST), intval($current_post), intval(TERM_MENTION), intval($arr['uid']));
-
-			if (count($tags)) {
-				foreach ($tags AS $tag) {
-					$r = q("SELECT `id` FROM `contact` WHERE `nurl` = '%s' AND `uid` = %d AND `notify_new_posts`",
-						normalise_link($tag["url"]), intval($arr['uid']));
-					if (count($r))
-						$send_notification = true;
-				}
-			}
-		}
-
-		if ($send_notification) {
-			logger('item_store: Send notification for contact '.$arr['contact-id'].' and post '.$current_post, LOGGER_DEBUG);
-			$u = q("SELECT * FROM user WHERE uid = %d LIMIT 1",
-				intval($arr['uid']));
-
-			$item = q("SELECT * FROM `item` WHERE `id` = %d AND `uid` = %d",
-				intval($current_post),
-				intval($arr['uid'])
-			);
-
-			$a = get_app();
-
-			require_once('include/enotify.php');
-			notification(array(
-				'type'         => NOTIFY_SHARE,
-				'notify_flags' => $u[0]['notify-flags'],
-				'language'     => $u[0]['language'],
-				'to_name'      => $u[0]['username'],
-				'to_email'     => $u[0]['email'],
-				'uid'          => $u[0]['uid'],
-				'item'         => $item[0],
-				'link'         => $a->get_baseurl().'/display/'.urlencode($arr['guid']),
-				'source_name'  => $item[0]['author-name'],
-				'source_link'  => $item[0]['author-link'],
-				'source_photo' => $item[0]['author-avatar'],
-				'verb'         => ACTIVITY_TAG,
-				'otype'        => 'item',
-				'parent'       => $arr['parent']
-			));
-			logger('item_store: Notification sent for contact '.$arr['contact-id'].' and post '.$current_post, LOGGER_DEBUG);
-		}
-	} else {
+	else {
 		update_thread($parent_id);
 		add_shadow_entry($arr);
 	}
 
+	check_item_notification($current_post, $uid);
+
 	if ($notify)
 		proc_run('php', "include/notifier.php", $notify_type, $current_post);
 
@@ -1569,37 +1518,6 @@ function tag_deliver($uid,$item_id) {
 		return;
 	}
 
-
-	// send a notification
-
-	// use a local photo if we have one
-
-	$r = q("select * from contact where uid = %d and nurl = '%s' limit 1",
-		intval($u[0]['uid']),
-		dbesc(normalise_link($item['author-link']))
-	);
-	$photo = (($r && count($r)) ? $r[0]['thumb'] : $item['author-avatar']);
-
-
-	require_once('include/enotify.php');
-	notification(array(
-		'type'         => NOTIFY_TAGSELF,
-		'notify_flags' => $u[0]['notify-flags'],
-		'language'     => $u[0]['language'],
-		'to_name'      => $u[0]['username'],
-		'to_email'     => $u[0]['email'],
-		'uid'          => $u[0]['uid'],
-		'item'         => $item,
-		'link'         => $a->get_baseurl() . '/display/'.urlencode(get_item_guid($item['id'])),
-		'source_name'  => $item['author-name'],
-		'source_link'  => $item['author-link'],
-		'source_photo' => $photo,
-		'verb'         => ACTIVITY_TAG,
-		'otype'        => 'item',
-		'parent'       => $item['parent']
-	));
-
-
 	$arr = array('item' => $item, 'user' => $u[0], 'contact' => $r[0]);
 
 	call_hooks('tagged', $arr);
@@ -3245,33 +3163,7 @@ function local_delivery($importer,$data) {
 					}
 
 					if($posted_id && $parent) {
-
 						proc_run('php',"include/notifier.php","comment-import","$posted_id");
-
-						if((! $is_like) && (! $importer['self'])) {
-
-							require_once('include/enotify.php');
-
-							notification(array(
-								'type'         => NOTIFY_COMMENT,
-								'notify_flags' => $importer['notify-flags'],
-								'language'     => $importer['language'],
-								'to_name'      => $importer['username'],
-								'to_email'     => $importer['email'],
-								'uid'          => $importer['importer_uid'],
-								'item'         => $datarray,
-								'link'		   => $a->get_baseurl().'/display/'.urlencode(get_item_guid($posted_id)),
-								'source_name'  => stripslashes($datarray['author-name']),
-								'source_link'  => $datarray['author-link'],
-								'source_photo' => ((link_compare($datarray['author-link'],$importer['url']))
-									? $importer['thumb'] : $datarray['author-avatar']),
-								'verb'         => ACTIVITY_POST,
-								'otype'        => 'item',
-								'parent'       => $parent,
-								'parent_uri'   => $parent_uri,
-							));
-
-						}
 					}
 
 					return 0;
@@ -3393,59 +3285,6 @@ function local_delivery($importer,$data) {
 
 				$posted_id = item_store($datarray);
 
-				// find out if our user is involved in this conversation and wants to be notified.
-
-				if(!x($datarray['type']) || $datarray['type'] != 'activity') {
-
-					$myconv = q("SELECT `author-link`, `author-avatar`, `parent` FROM `item` WHERE `parent-uri` = '%s' AND `uid` = %d AND `parent` != 0 AND `deleted` = 0",
-						dbesc($top_uri),
-						intval($importer['importer_uid'])
-					);
-
-					if(count($myconv)) {
-						$importer_url = $a->get_baseurl() . '/profile/' . $importer['nickname'];
-
-						// first make sure this isn't our own post coming back to us from a wall-to-wall event
-						if(! link_compare($datarray['author-link'],$importer_url)) {
-
-
-							foreach($myconv as $conv) {
-
-								// now if we find a match, it means we're in this conversation
-
-								if(! link_compare($conv['author-link'],$importer_url))
-									continue;
-
-								require_once('include/enotify.php');
-
-								$conv_parent = $conv['parent'];
-
-								notification(array(
-									'type'         => NOTIFY_COMMENT,
-									'notify_flags' => $importer['notify-flags'],
-									'language'     => $importer['language'],
-									'to_name'      => $importer['username'],
-									'to_email'     => $importer['email'],
-									'uid'          => $importer['importer_uid'],
-									'item'         => $datarray,
-									'link'		   => $a->get_baseurl().'/display/'.urlencode(get_item_guid($posted_id)),
-									'source_name'  => stripslashes($datarray['author-name']),
-									'source_link'  => $datarray['author-link'],
-									'source_photo' => ((link_compare($datarray['author-link'],$importer['url']))
-										? $importer['thumb'] : $datarray['author-avatar']),
-									'verb'         => ACTIVITY_POST,
-									'otype'        => 'item',
-									'parent'       => $conv_parent,
-									'parent_uri'   => $parent_uri
-
-								));
-
-								// only send one notification
-								break;
-							}
-						}
-					}
-				}
 				continue;
 			}
 		}
diff --git a/include/ostatus.php b/include/ostatus.php
index 4ccd13130..f2e33b132 100644
--- a/include/ostatus.php
+++ b/include/ostatus.php
@@ -561,29 +561,6 @@ function ostatus_import($xml,$importer,&$contact, &$hub) {
 		}
 
 		logger("Item was stored with id ".$item_id, LOGGER_DEBUG);
-		$item["id"] = $item_id;
-
-		if ($mention AND in_array($item["verb"], array(ACTIVITY_POST, ACTIVITY_SHARE))) {
-			$u = q("SELECT `notify-flags`, `language`, `username`, `email` FROM user WHERE uid = %d LIMIT 1", intval($item['uid']));
-			$r = q("SELECT `parent` FROM `item` WHERE `id` = %d", intval($item_id));
-
-			notification(array(
-				'type'         => NOTIFY_TAGSELF,
-				'notify_flags' => $u[0]["notify-flags"],
-				'language'     => $u[0]["language"],
-				'to_name'      => $u[0]["username"],
-				'to_email'     => $u[0]["email"],
-				'uid'          => $item["uid"],
-				'item'         => $item,
-				'link'         => $a->get_baseurl().'/display/'.urlencode(get_item_guid($item_id)),
-				'source_name'  => $item["author-name"],
-				'source_link'  => $item["author-link"],
-				'source_photo' => $item["author-avatar"],
-				'verb'         => ACTIVITY_TAG,
-				'otype'        => 'item',
-				'parent'       => $r[0]["parent"]
-			));
-		}
 	}
 }
 
@@ -1028,28 +1005,6 @@ function ostatus_completion($conversation_url, $uid, $item = array()) {
 		// Add the conversation entry (but don't fetch the whole conversation)
 		ostatus_store_conversation($newitem, $conversation_url);
 
-		if ($mention) {
-			$u = q("SELECT `notify-flags`, `language`, `username`, `email` FROM user WHERE uid = %d LIMIT 1", intval($uid));
-			$r = q("SELECT `parent` FROM `item` WHERE `id` = %d", intval($newitem));
-
-			notification(array(
-				'type'         => NOTIFY_TAGSELF,
-				'notify_flags' => $u[0]["notify-flags"],
-				'language'     => $u[0]["language"],
-				'to_name'      => $u[0]["username"],
-				'to_email'     => $u[0]["email"],
-				'uid'          => $uid,
-				'item'         => $arr,
-				'link'         => $a->get_baseurl().'/display/'.urlencode(get_item_guid($newitem)),
-				'source_name'  => $arr["author-name"],
-				'source_link'  => $arr["author-link"],
-				'source_photo' => $arr["author-avatar"],
-				'verb'         => ACTIVITY_TAG,
-				'otype'        => 'item',
-				'parent'       => $r[0]["parent"]
-			));
-		}
-
 		// If the newly created item is the top item then change the parent settings of the thread
 		// This shouldn't happen anymore. This is supposed to be absolote.
 		if ($arr["uri"] == $first_id) {