diff --git a/.classpath b/.classpath
index 47de373..04023d0 100644
--- a/.classpath
+++ b/.classpath
@@ -26,7 +26,7 @@
 	</classpathentry>
 	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8">
 		<attributes>
-			<attribute name="owner.project.facets" value="java"/>
+			<attribute name="maven.pomderived" value="true"/>
 		</attributes>
 	</classpathentry>
 	<classpathentry kind="output" path="target/classes"/>
diff --git a/.settings/org.eclipse.jdt.core.prefs b/.settings/org.eclipse.jdt.core.prefs
index 4e4a3ad..cac0df4 100644
--- a/.settings/org.eclipse.jdt.core.prefs
+++ b/.settings/org.eclipse.jdt.core.prefs
@@ -3,7 +3,9 @@ org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
 org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
 org.eclipse.jdt.core.compiler.compliance=1.8
 org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
+org.eclipse.jdt.core.compiler.problem.enablePreviewFeatures=disabled
 org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
 org.eclipse.jdt.core.compiler.problem.forbiddenReference=warning
+org.eclipse.jdt.core.compiler.problem.reportPreviewFeatures=ignore
 org.eclipse.jdt.core.compiler.release=disabled
 org.eclipse.jdt.core.compiler.source=1.8
diff --git a/src/main/java/org/gcube/portal/socialmail/PeriodicTask.java b/src/main/java/org/gcube/portal/socialmail/PeriodicTask.java
index cb25aac..458ab05 100644
--- a/src/main/java/org/gcube/portal/socialmail/PeriodicTask.java
+++ b/src/main/java/org/gcube/portal/socialmail/PeriodicTask.java
@@ -34,6 +34,7 @@ import org.gcube.applicationsupportlayer.social.mailing.AppType;
 import org.gcube.applicationsupportlayer.social.mailing.SocialMailingUtil;
 import org.gcube.applicationsupportlayer.social.shared.SocialNetworkingSite;
 import org.gcube.applicationsupportlayer.social.shared.SocialNetworkingUser;
+import org.gcube.common.authorization.library.provider.SecurityTokenProvider;
 import org.gcube.common.authorization.library.provider.UserInfo;
 import org.gcube.common.portal.PortalContext;
 import org.gcube.common.scope.api.ScopeProvider;
@@ -258,13 +259,23 @@ public class PeriodicTask implements Runnable {
 
 		_log.debug("Found message reply, subject: " + subject + " body: " + messageText);
 		String newMessageId = null;
-		List<String> recipientIds = null;
+		List<String> recipientIds = new ArrayList<>();
 		try {
-			setAuthorizationToken(fakeSession);
+			String username = fakeSession.getUsername();
+			String scope = fakeSession.getScope();
+			ScopeProvider.instance.set(scope);
+			_log.debug("calling service token on scope " + scope);
+			List<String> userRoles = new ArrayList<>();
+			userRoles.add(DEFAULT_ROLE);
+			fakeSession.setSecurityToken(null);
+			String token = authorizationService().generateUserToken(new UserInfo(username, userRoles), scope);
+			SecurityTokenProvider.instance.set(token);
 			MessageManagerClient mmClient = AbstractPlugin.messages().build();
-			org.gcube.common.storagehub.model.messages.Message theMessage = mmClient.get(messageId);
-
-			recipientIds = Arrays.asList(theMessage.getAddresses());
+			org.gcube.common.storagehub.model.messages.Message theMessage = mmClient.get(messageId);		
+			String[] addresses = theMessage.getAddresses();
+			for (int i = 0; i < addresses.length; i++) {
+				recipientIds.add(addresses[i]);
+			}
 			//add the sender and remove the person who is replying from the recipients 
 			String sender = theMessage.getSender().getUserName();
 			String originalText = theMessage.getBody();