fix: [Mail module] add debug output

Author: Terrtia

bin/Mail.py

@@ -140,6 +140,8 @@ def extract_all_emails(queue, item_content):
         if message is not None:
             item_id, score = message.split()
 
+            print(item_id)
+
             item_content = Item.get_item_content(item_id)
 
             proc = Proc(target=extract_all_emails, args=(q, item_content))