update

extract_email_headers.py

@@ -0,0 +1,17 @@
+import sys
+import email
+
+if len(sys.argv) < 2:
+    print("Usage: python3 extract_email_headers.py <email_file>")
+    sys.exit(1)
+
+file_path = sys.argv[1]
+with open(file_path, 'rb') as f:
+    msg = email.message_from_bytes(f.read())
+
+from_addr = msg.get('From', '')
+to_addrs = msg.get_all('To', []) + msg.get_all('Cc', [])
+recipients = ','.join([str(addr) for addr in to_addrs]) if to_addrs else ''
+
+print(f'FROM:{from_addr}')
+print(f'RECIPIENTS:{recipients}')