diff --git a/.settings/org.eclipse.wst.common.component b/.settings/org.eclipse.wst.common.component
index 8907d91..bbf0648 100644
--- a/.settings/org.eclipse.wst.common.component
+++ b/.settings/org.eclipse.wst.common.component
@@ -5,9 +5,6 @@
     <wb-resource deploy-path="/WEB-INF/classes" source-path="/src/main/java"/>
         <wb-resource deploy-path="/WEB-INF/classes" source-path="/target/generated-sources/gwt"/>
         <wb-resource deploy-path="/WEB-INF/classes" source-path="/src/main/resources"/>
-        <dependent-module archiveName="gcube-widgets-2.1.0-SNAPSHOT.jar" deploy-path="/WEB-INF/lib" handle="module:/resource/gcube-widgets/gcube-widgets">
-            <dependency-type>uses</dependency-type>
-        </dependent-module>
     <property name="java-output-path" value="/${module}/target/www/WEB-INF/classes"/>
         <property name="context-root" value="share-updates"/>
   </wb-module>
diff --git a/src/main/java/org/gcube/portlets/user/shareupdates/server/ShareUpdateServiceImpl.java b/src/main/java/org/gcube/portlets/user/shareupdates/server/ShareUpdateServiceImpl.java
index 17b1341..125c87c 100644
--- a/src/main/java/org/gcube/portlets/user/shareupdates/server/ShareUpdateServiceImpl.java
+++ b/src/main/java/org/gcube/portlets/user/shareupdates/server/ShareUpdateServiceImpl.java
@@ -10,10 +10,12 @@ import java.util.ArrayList;
 import java.util.Collections;
 import java.util.Date;
 import java.util.HashMap;
+import java.util.HashSet;
 import java.util.Iterator;
 import java.util.List;
 import java.util.Map;
 import java.util.Map.Entry;
+import java.util.Set;
 import java.util.UUID;
 
 import javax.net.ssl.HttpsURLConnection;
@@ -54,6 +56,7 @@ import org.gcube.portlets.user.shareupdates.shared.UserSettings;
 import org.gcube.portlets.widgets.pickitem.shared.ItemBean;
 import org.gcube.social_networking.socialutillibrary.Utils;
 import org.gcube.vomanagement.usermanagement.GroupManager;
+import org.gcube.vomanagement.usermanagement.RoleManager;
 import org.gcube.vomanagement.usermanagement.UserManager;
 import org.gcube.vomanagement.usermanagement.exception.GroupRetrievalFault;
 import org.gcube.vomanagement.usermanagement.exception.TeamRetrievalFault;
@@ -86,12 +89,15 @@ public class ShareUpdateServiceImpl extends RemoteServiceServlet implements	Shar
 	private DatabookStore store;
 
 	/**
-	 * connect to cassandra at startup
+	 * Connect to cassandra at startup
 	 */
 	public void init() {
 		store = new DBCassandraAstyanaxImpl();	
 	}
 
+	/**
+	 * Close connection pool on close
+	 */
 	public void destroy() {
 		store.closeConnection();
 	}
@@ -209,7 +215,7 @@ public class ShareUpdateServiceImpl extends RemoteServiceServlet implements	Shar
 
 
 		// check if is needed to notify people in the vre
-		notifyPeopleGroup(pLevel, vreOrgId, notifyGroup, username, email, fullName, thumbnailAvatarURL, toShare, hashtags, vreScope2Set, escapedFeedText);
+		notifyPeopleGroup(pLevel, vreOrgId, notifyGroup, username, email, fullName, thumbnailAvatarURL, toShare, hashtags, vreScope2Set, escapedFeedText, mentionedUsers);
 
 		//send the notification to the mentioned users	
 		if (mentionedUsers != null && mentionedUsers.size() > 0)
@@ -384,7 +390,7 @@ public class ShareUpdateServiceImpl extends RemoteServiceServlet implements	Shar
 
 
 		// check if is needed to notify people in the vre
-		notifyPeopleGroup(pLevel, vreOrgId, notifyGroup, username, email, fullName, thumbnailAvatarURL, toShare, hashtags, vreScope2Set, textToPost);
+		notifyPeopleGroup(pLevel, vreOrgId, notifyGroup, username, email, fullName, thumbnailAvatarURL, toShare, hashtags, vreScope2Set, textToPost, mentionedUsers);
 
 		//send the notification to the mentioned users	
 		if (mentionedUsers != null && mentionedUsers.size() > 0) 
@@ -416,7 +422,7 @@ public class ShareUpdateServiceImpl extends RemoteServiceServlet implements	Shar
 	private void notifyPeopleGroup(PrivacyLevel pLevel, Long vreOrgId,
 			boolean notifyGroup, String username, String email,
 			String fullName, String thumbnailAvatarURL, Feed toShare,
-			List<String> hashtags, String vreScope2Set, String postText) {
+			List<String> hashtags, String vreScope2Set, String postText, ArrayList<ItemBean> mentionedUsers) {
 
 		//send the notification about this posts to everyone in the group if notifyGroup is true
 		if (pLevel == PrivacyLevel.SINGLE_VRE && vreOrgId != null &&  notifyGroup) {
@@ -425,7 +431,7 @@ public class ShareUpdateServiceImpl extends RemoteServiceServlet implements	Shar
 					vreScope2Set, 
 					new SocialNetworkingUser(username, email, fullName, thumbnailAvatarURL), 
 					NEWS_FEED_PORTLET_CLASSNAME);
-			Thread thread = new Thread(new PostNotificationsThread(toShare.getKey(), postText, ""+vreOrgId, nm, hashtags));
+			Thread thread = new Thread(new PostNotificationsThread(new LiferayUserManager(), toShare.getKey(), postText, ""+vreOrgId, nm, new HashSet<String>(hashtags), getVreGroupsNames(mentionedUsers)));
 			thread.start();
 
 		}
@@ -449,6 +455,28 @@ public class ShareUpdateServiceImpl extends RemoteServiceServlet implements	Shar
 			.start();
 		}
 	}
+	
+	/**
+	 * Extract mentioned VRE's group names
+	 * @return Set<String> of vre groups' names
+	 */
+	private static Set<String> getVreGroupsNames(ArrayList<ItemBean> mentionedUsers){
+		
+		Set<String> toReturn = new HashSet<String>();
+		RoleManager rManager = new LiferayRoleManager();
+		for (ItemBean itemBean : mentionedUsers) {
+			
+			if(itemBean.isItemGroup())
+				try {
+					toReturn.add(rManager.getTeam(Long.parseLong(itemBean.getId())).getTeamName());
+				} catch (NumberFormatException | UserManagementSystemException
+						| TeamRetrievalFault e) {
+					_log.warn("Unable to add this team", e);
+				}
+		}
+		
+		return toReturn;
+	}
 
 	/**
 	 * Common method to notify users.