diff --git a/relay.py b/relay.py
index 55ce0c2..def250d 100644
--- a/relay.py
+++ b/relay.py
@@ -1,4 +1,4 @@
-import os
+kimport os
 import asyncio
 from aiosmtpd.controller import Controller
 from email.parser import BytesParser
@@ -35,14 +35,15 @@ class SMTPHandler:
         try:
             await bot.send_message(chat_id=chat_id, text=telegram_message)
             print(f"Message sent to Telegram chat ID: {chat_id}")
-        except telegram.error.BadRequest:
-            print(f"Failed to send message to chat ID: {chat_id}. Using default chat ID.")
+        except telegram.error.BadRequest as e:
+            print(f"Failed to send message to chat ID: {chat_id}. Error: {str(e)}")
+            print("Attempting to send to default chat ID.")
             await bot.send_message(chat_id=DEFAULT_CHAT_ID, text=telegram_message)
 
         return '250 Message accepted for delivery'
 
     def extract_chat_id(self, email):
-        match = re.match(r'(\d+)@telegram-relay\.local', email)
+        match = re.match(r'(-?\d+)@telegram-relay\.local', email)
         if match:
             return match.group(1)
         print(f"Invalid email format: {email}. Using default chat ID.")
@@ -56,4 +57,4 @@ if __name__ == '__main__':
     loop = asyncio.get_event_loop()
     loop.create_task(start_smtp_server())
     print(f"SMTP server started on {SMTP_HOST}:{SMTP_PORT}")
-    loop.run_forever()
+    loop.run_forever(