diff --git a/src/main/java/org/gcube/portal/notifications/thread/PostNotificationsThread.java b/src/main/java/org/gcube/portal/notifications/thread/PostNotificationsThread.java
new file mode 100644
index 0000000..066ba6e
--- /dev/null
+++ b/src/main/java/org/gcube/portal/notifications/thread/PostNotificationsThread.java
@@ -0,0 +1,48 @@
+package org.gcube.portal.notifications.thread;
+
+import java.util.List;
+
+import org.gcube.applicationsupportlayer.social.NotificationsManager;
+import org.gcube.vomanagement.usermanagement.UserManager;
+import org.gcube.vomanagement.usermanagement.impl.liferay.LiferayUserManager;
+import org.gcube.vomanagement.usermanagement.model.UserModel;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * 
+ * @author Massimiliano Assante ISTI-CNR
+ *
+ */
+public class PostNotificationsThread implements Runnable {
+	private static Logger _log = LoggerFactory.getLogger(PostNotificationsThread.class);
+
+	private String postText;
+	private String postId;
+	private String groupId;
+	private List<String> hashtags;
+	private NotificationsManager nm;
+
+	public PostNotificationsThread(String postId, String postText, String groupId, NotificationsManager nm, List<String> hashtags) {
+		super();
+		this.postId = postId;
+		this.postText = postText;
+		this.groupId = groupId;
+		this.hashtags = hashtags;
+		this.nm = nm;
+	}
+
+	@Override
+	public void run() {
+		UserManager um = new LiferayUserManager();
+		String[] hashtagsToPass = hashtags.toArray(new String[hashtags.size()]);
+		try {			
+			for (UserModel user : um.listUsersByGroup(groupId)) {
+				boolean result = nm.notifyPost(user.getScreenName(), postId, postText, hashtagsToPass);
+				_log.trace("Sending Notification for post alert to: " + user.getScreenName() + " result?"+ result);
+			}
+		} catch (Exception e) {
+			e.printStackTrace();
+		} 
+	}
+}