diff --git a/src/mail/mail_address_validator.py b/src/mail/mail_address_validator.py
index 72d7e90..0521b1b 100755
--- a/src/mail/mail_address_validator.py
+++ b/src/mail/mail_address_validator.py
@@ -5,7 +5,6 @@ from imapclient import IMAPClient
 from src.db.mongo_manager import MONGO_STORE_MANAGER
 from src.mail.mail_constants import create_imap
 from src.pojo.mail.mail_pojo import MailAddress
-from src.utils.excel_reader import ExcelHelper
 
 
 class MailAddressValidator():
@@ -53,13 +52,20 @@ def find_and_update_invalid_emails(mail_list):
             valiator = MailAddressValidator(mail.mail, mail.password)
             executor.submit(valiator.check_and_save_to_db)
 
-
-if __name__ == '__main__':
-    # remove_invalid_email()
-
+def check_mails():
     mail_list = MONGO_STORE_MANAGER.get_destination_emails()
+    _mail_list_to_check = []
+    for _mail in mail_list:
+        if "outlook.com" not in _mail.mail:
+            _mail_list_to_check.append(_mail)
     # excel_reader = ExcelHelper()
     # mail_list = excel_reader.read_mails_and_pwd(file_name="/Users/lpan/Downloads/hotmail_list.xlsx")
     # mail_address1 = MailAddress(mail="christinnyua@gmx.net", password="q1J1HHY2sXN")
     # mail_list = [mail_address1]
-    find_and_update_invalid_emails(mail_list)
+    find_and_update_invalid_emails(_mail_list_to_check)
+
+if __name__ == '__main__':
+    # remove_invalid_email()
+    check_mails()
+
+