fix: smtp port and sender

mailing/mailing.py

@@ -8,8 +8,8 @@ def mailing_main(subject:Text, body:Text, to_address:Union[Text, Iterable[Text]]
     """Sends the email with the given subject and body to the given address (accepts also list of addresses)."""
     # Mailing server configuration
     smtp_server = 'smtp.gmail.com.'
-    smtp_port = 465
-    sender_email = 'bainhackathon@example.com'
+    smtp_port = 587
+    sender_email = 'bainhackathon@gmail.com'
     sender_password = 'onyghfffdbmurjdf'
     
     # This creates the actual email message