diff --git a/src/mail/MailManager.py b/src/mail/MailManager.py
new file mode 100644
index 0000000..21e33cb
--- /dev/null
+++ b/src/mail/MailManager.py
@@ -0,0 +1,59 @@
+import xlsxwriter
+
+from src.db.mongo_manager import MONGO_STORE_MANAGER
+from src.pojo.contact_pojo import ContactPojo
+
+
+class MailManager:
+
+    def get_invalid_emails_for_day(self):
+        invalid_contacts = []
+        successful_items = MONGO_STORE_MANAGER.get_all_successful_items_for_day()
+        not_validated_items = list(
+            filter(lambda filtered_item: filtered_item.url_validated is None or filtered_item.url_validated is False,
+                   successful_items))
+        for item in not_validated_items:
+            if "@gmail" not in item.email and "@163" not in item.email:
+                invalid_contacts.append(
+                    ContactPojo(phone_number=item.phone, passport_number=item.passport, last_name=item.lastName,
+                                first_name=item.firstName, mail=item.email, ))
+        return invalid_contacts
+    def get_valid_emails_for_day(self):
+        valid_contacts = []
+        successful_items = MONGO_STORE_MANAGER.get_all_successful_items_for_day()
+        validated_items = list(
+            filter(lambda filtered_item: filtered_item.url_validated is not None and filtered_item.url_validated is True,
+                   successful_items))
+        for item in validated_items:
+            if "@aol" in item.email:
+                valid_contacts.append(
+                    ContactPojo(phone_number=item.phone, passport_number=item.passport, last_name=item.lastName,
+                                first_name=item.firstName, mail=item.email, ))
+        return valid_contacts
+
+    def write_invalid_contacts_to_excel(self, contacts: list):
+        row = 0
+        col = 0
+        # Create a workbook and add a worksheet.
+        workbook = xlsxwriter.Workbook('invalid_contacts_{}.xlsx'.format(len(contacts)))
+        header_data = ['name', 'phone', 'passport', 'email']
+        worksheet = workbook.add_worksheet()
+        header_format = workbook.add_format({'bold': True})
+
+        for col_num, data in enumerate(header_data):
+            worksheet.write(row, col_num, data, header_format)
+        row = row + 1
+        for info in contacts:
+            # Iterate over the data and write it out row by row.
+            worksheet.write(row, col, "{} {}".format(info.last_name, info.first_name))
+            worksheet.write(row, col + 1, info.phone)
+            worksheet.write(row, col + 2, info.passport)
+            worksheet.write(row, col + 3, info.mail)
+            row += 1
+        workbook.close()
+
+
+if __name__ == '__main__':
+    manager = MailManager()
+    manager.write_invalid_contacts_to_excel(manager.get_invalid_emails_for_day())
+    manager.write_invalid_contacts_to_excel(manager.get_valid_emails_for_day())