email headers fixing

main.py

@@ -0,0 +1,17 @@
+from email_server.server_runner import start_server
+from email_server.tool_box import get_logger
+import asyncio
+import sys
+
+logger = get_logger()
+
+if __name__ == '__main__':
+    try:
+        logger.info('Server started')
+        asyncio.run(start_server())
+    except KeyboardInterrupt:
+        logger.info('Server interrupted by user')
+        sys.exit(0)
+    except Exception as e:
+        logger.error(f'Server error: {e}')
+        sys.exit(1)