diff --git a/src/mail/mail_reader.py b/src/mail/mail_reader.py
index ea6619f..4809e26 100644
--- a/src/mail/mail_reader.py
+++ b/src/mail/mail_reader.py
@@ -35,7 +35,7 @@ class MailReader():
             l = i.decode().split(' "/" ')
             print(l[0] + " = " + l[1])
 
-    def read_emails(self) -> list:
+    def read_emails(self, mails_messages: list) -> list:
         # create an IMAP4 class with SSL
         if DOMAIN_163 in self.login:
             imap = imaplib.IMAP4_SSL(IMAP_SERVER_163)
@@ -59,6 +59,7 @@ class MailReader():
         # close the connection and logout
         imap.close()
         imap.logout()
+        mails_messages.extend(mail_list)
         return mail_list
 
     def _get_messages_from_folder(self, imap, folder="INBOX") -> list:
@@ -139,28 +140,32 @@ def need_to_valid_url(url: str, successful_items) -> bool:
 def read_mails():
     # get email address
     mail_list = MONGO_STORE_MANAGER.get_destination_emails()
-    # mail_address1 = MailAddress(mail="appointment2022@aol.com", password="gyilpmvyyvlcaviq")
-    # mail_address2 = MailAddress(mail="chenpeijun@aol.com", password="ytifuwguknzifqyb")
-    # mail_address2 = MailAddress(mail="sdfgfhgf1986@aol.com", password="fjwcgvhxxlywqfwm")
-    # mail_address3 = MailAddress(mail="ciyuexie@aol.com", password="czezlmmyypokdfce")
-    # mail_address4 = MailAddress(mail="hongjiang176@aol.com", password="ftzpscgzvwneelmn")
+    # # mail_address1 = MailAddress(mail="appointment2022@aol.com", password="gyilpmvyyvlcaviq")
+    # # mail_address2 = MailAddress(mail="chenpeijun@aol.com", password="ytifuwguknzifqyb")
+    # # mail_address2 = MailAddress(mail="sdfgfhgf1986@aol.com", password="fjwcgvhxxlywqfwm")
+    # # mail_address3 = MailAddress(mail="ciyuexie@aol.com", password="czezlmmyypokdfce")
+    # # mail_address4 = MailAddress(mail="hongjiang176@aol.com", password="ftzpscgzvwneelmn")
+    # mail_address4 = MailAddress(mail="ribka_puchkova@aol.com", password="aqvsozoyifbixtdc")
     # mail_list = [mail_address3, mail_address2, mail_address1, mail_address4]
-    # mail_list = [mail_address1]
+    # mail_list = [mail_address4]
     successful_items = MONGO_STORE_MANAGER.get_all_successful_items_for_day()
-    for mail in mail_list:
-        mail_reader = MailReader(mail.mail, mail.password)
-        mail_info_list = mail_reader.read_emails()
-        with ThreadPoolExecutor(max_workers=10) as executor:
-            for mail in mail_info_list:
-                match = re.search(VALIDATION_URL_REGEX, mail.body)
-                if match:
-                    url = match.group(0)
-                    if need_to_valid_url(url, successful_items):
-                        url_validator = LinkValidator(url)
-                        print("need to validate url: " + url)
-                        executor.submit(url_validator.start_page, params.get_proxy(ProxyType.BRIGHT_DATA), True)
-                    else:
-                        print("do not need to click url --> {}".format(mail))
+    mails_messages = []
+    with ThreadPoolExecutor(max_workers=20) as executor:
+        for mail in mail_list:
+            mail_reader = MailReader(mail.mail, mail.password)
+            executor.submit(mail_reader.read_emails, mails_messages)
+
+    with ThreadPoolExecutor(max_workers=10) as executor:
+        for mail in mails_messages:
+            match = re.search(VALIDATION_URL_REGEX, mail.body)
+            if match:
+                url = match.group(0)
+                if need_to_valid_url(url, successful_items):
+                    url_validator = LinkValidator(url)
+                    print("need to validate url: " + url)
+                    executor.submit(url_validator.start_page, params.get_proxy(ProxyType.BRIGHT_DATA), True)
+                else:
+                    print("do not need to click url --> {}".format(mail))
 
 
 # check whether the url has already been clicked