diff --git a/application/portaldispatcher.class.inc.php b/application/portaldispatcher.class.inc.php
index ce71cfec2..432091717 100644
--- a/application/portaldispatcher.class.inc.php
+++ b/application/portaldispatcher.class.inc.php
@@ -9,11 +9,17 @@ class PortalDispatcher
 		$this->sPortalid = $sPortalId;
 		$this->aData = PortalDispatcherData::GetData($sPortalId);
 	}
-	
-	public function IsUserAllowed()
+
+	/**
+	 * @param \User|null $oUser
+	 *
+	 * @return bool
+	 * @since 3.2.0 N°2039 Add $oUser parameter
+	 */
+	public function IsUserAllowed(?User $oUser = null)
 	{
 		$bRet = true;
-		$aProfiles = UserRights::ListProfiles();
+		$aProfiles = UserRights::ListProfiles($oUser);
 		
 		foreach($this->aData['deny'] as $sDeniedProfile)
 		{
diff --git a/core/datamodel.core.xml b/core/datamodel.core.xml
index 533ef8af8..820928a7c 100644
--- a/core/datamodel.core.xml
+++ b/core/datamodel.core.xml
@@ -287,6 +287,29 @@
 		  if ($oRecipient instanceof Person && UserRights::GetUserFromPerson($oRecipient, false) === null) {
 				continue;
 			}
+
+			// Skip recipient that have no user with access to the backoffice
+			$oRecipientUsersSearch = DBObjectSearch::FromOQL("SELECT User WHERE contactid = " . $oRecipient->GetKey() . " AND status = 'enabled'");
+			$oRecipientUsersSearch->AllowAllData();
+			$oRecipientUsersSet = new DBObjectSet($oRecipientUsersSearch);
+			$oPortalDispatcher = new PortalDispatcher('backoffice');
+    	// - Check if the user has access to the backoffice
+			$bHasAccessToBackoffice = false;
+			while ($oRecipientUser = $oRecipientUsersSet->Fetch()) {
+			  // Skip recipients with user that don't have access to the backoffice
+			  if (false === $oPortalDispatcher->IsUserAllowed($oRecipientUser)) {
+			            continue;
+			  }
+
+			  $bHasAccessToBackoffice = true;
+			  break;
+			}
+			// - Skip it if necessary
+			if (false === $bHasAccessToBackoffice) {
+        continue;
+      }
+
+			// Skip recipients that have unsubscribed
 		  if (!\Combodo\iTop\Service\Notification\NotificationsService::GetInstance()->IsSubscribed($oTrigger, $this, $oRecipient)) {
 				continue;
 			}