diff --git a/src/db/mongo_manager.py b/src/db/mongo_manager.py
index 4f3e1c3..6037bae 100755
--- a/src/db/mongo_manager.py
+++ b/src/db/mongo_manager.py
@@ -22,7 +22,7 @@ EMAIL_LIST = "EMAIL_LIST"
 DESTINATION_EMAIL_LIST = "DESTINATION_EMAIL_LIST"
 LINKS_TO_VALIDATE = "LINKS_TO_VALIDATE"
 INVALID_EMAIL_LIST = "INVALID_EMAIL_LIST"
-ADRESSE_LIST ="address"
+ADRESSE_LIST = "address"
 
 
 class MongoDbManager:
@@ -96,6 +96,7 @@ class MongoDbManager:
         except Exception as error:
             self.logger.info(error)
         return appointment_list_contacts
+
     def get_all_address_list(self) -> list:
         collection_name = ADRESSE_LIST
         _address_list = []
@@ -329,6 +330,9 @@ class MongoDbManager:
             },
                                           upsert=True)
 
+    def list_collection_names(self):
+        return self.db.list_collection_names()
+
 
 MONGO_STORE_MANAGER = MongoDbManager()
 
diff --git a/src/utils/contacts/check_all_collections.py b/src/utils/contacts/check_all_collections.py
index 0860bdb..e801bfc 100644
--- a/src/utils/contacts/check_all_collections.py
+++ b/src/utils/contacts/check_all_collections.py
@@ -22,10 +22,10 @@ def get_all_not_used_mails():
     not_used_emails = []
     for mail_item in all_emails:
         if need_to_check_mail(mail_item.mail):
-            _need_to_add = False
+            _need_to_add = True
             for valid_contact in all_valid_contact_list:
                 if valid_contact.mail == mail_item.mail:
-                    _need_to_add = True
+                    _need_to_add = False
                     break
             if _need_to_add:
                 not_used_emails.append(mail_item)