diff --git a/queue_message/appointmentrequestsender.py b/queue_message/appointmentrequestsender.py
index 5b45265..b7e0849 100644
--- a/queue_message/appointmentrequestsender.py
+++ b/queue_message/appointmentrequestsender.py
@@ -70,6 +70,7 @@ class AppointmentRequestSender(threading.Thread):
         self.contact_list = sub_contact_list
         self.queue_name = queue_name
         self.proxy_to_use_list = proxy_to_use_list
+        self.already_read_emails = False
 
     def set_up_connection(self):
         self.connection = pika.BlockingConnection(
@@ -193,12 +194,16 @@ class AppointmentRequestSender(threading.Thread):
         self.channel.start_consuming()
 
     def retreive_invalidate_urls(self):
-        self.logger.info("will retreive_invalidate_urls")
-        _mail_list = MONGO_STORE_MANAGER.get_destination_emails()
-        _mail_list_filtred = []
-        for mail in _mail_list:
-            for _contact in self.list_to_retrieve_mails:
-                if _contact.mail == mail.mail:
-                    _mail_list_filtred.append(mail)
-        self.logger.info("will call find_links_to_validate_from_mail_list, size = " + str(len(_mail_list_filtred)))
-        find_links_to_validate_from_mail_list(_mail_list_filtred)
+        if not self.already_read_emails:
+            self.logger.info("will retreive_invalidate_urls")
+            _mail_list = MONGO_STORE_MANAGER.get_destination_emails()
+            _mail_list_filtred = []
+            for mail in _mail_list:
+                for _contact in self.list_to_retrieve_mails:
+                    if _contact.mail == mail.mail:
+                        _mail_list_filtred.append(mail)
+            self.logger.info("will call find_links_to_validate_from_mail_list, size = " + str(len(_mail_list_filtred)))
+            find_links_to_validate_from_mail_list(_mail_list_filtred)
+            self.already_read_emails = True
+        else:
+            self.logger.info("already read emails, will not retreive_invalidate_urls")
diff --git a/request_sender.py b/request_sender.py
index 0017c8e..dac772e 100644
--- a/request_sender.py
+++ b/request_sender.py
@@ -64,10 +64,10 @@ def send_appointment_request(message_queue_name, _contact_list):
 
 
 if __name__ == '__main__':
-    contacts_file_path = '~/Desktop/contact_list_2024-03-20.xlsx'
+    contacts_file_path = '~/Desktop/contact_list_2024-03-19.xlsx'
     _contact_list = read_contacts(contacts_file_path)
     _contact_list_to_book = filter_contacts(_contact_list)
-    _segment_number = 2
+    _segment_number = 1
     logger.info("{} contacts to book".format(len(_contact_list_to_book)))
     last_thread = None
     for i in range(0, _segment_number):
diff --git a/workers/sender.py b/workers/sender.py
index 1f59f89..99b0ec1 100644
--- a/workers/sender.py
+++ b/workers/sender.py
@@ -94,6 +94,7 @@ class Sender:
                 self.logger.info("body in json:{}".format(json.dumps(self.received_dict)))
                 self.cookiesPublisher.publish_body(json.dumps(self.received_dict))
                 # self.cookie_str = new_coolies_str
+                self.logger.info("successful request, mail:{}".format(contact.mail))
                 return RequestResult.SUCCESS
             else:
                 print(response.text)