diff --git a/src/utils/check_mail_reception.py b/src/utils/check_mail_reception.py
new file mode 100644
index 0000000..085ca63
--- /dev/null
+++ b/src/utils/check_mail_reception.py
@@ -0,0 +1,41 @@
+import datetime
+from collections import Counter
+
+from src.db.mongo_manager import MongoDbManager, MONGO_STORE_MANAGER
+from src.pojo.ReserveResultPojo import ReserveResultPojo
+
+
+def check_mail_reception(reservation_pojo: ReserveResultPojo):
+    if reservation_pojo.url_validated is not None and reservation_pojo.url_validated is True:
+        return True
+    else:
+        # print(reservation_pojo.url_validated)
+        return False
+
+
+def check_mail_reception_for_day(day_in_str):
+    reserve_pojo_list = MONGO_STORE_MANAGER.get_all_successful_items_for_one_day(day_in_str)
+    list_to_return = []
+    for pojo in reserve_pojo_list:
+        if check_mail_reception(pojo) is not True:
+            # print(pojo.email)
+            list_to_return.append(pojo.email)
+    return list_to_return
+
+
+if __name__ == '__main__':
+    mail_list_two_dimension = []
+    for day in range(0, 30):
+        yesterday = str(datetime.date.today() - datetime.timedelta(days=day))
+        mail_list_two_dimension.append(check_mail_reception_for_day(yesterday))
+    tmp_list = []
+    for i in range(0, len(mail_list_two_dimension)):
+        if mail_list_two_dimension[i] is not None:
+            for mail in mail_list_two_dimension[i]:
+                tmp_list.append(mail)
+    freq = Counter(tmp_list)
+    # print(tmp_list)
+    # print(freq)
+    for item in freq.most_common():
+        if item[1] >6:
+            print(item[0])