diff --git a/check_smtp_imap.py b/check_smtp_imap.py
index 59439dd..e0633ae 100644
--- a/check_smtp_imap.py
+++ b/check_smtp_imap.py
@@ -42,7 +42,7 @@ if __name__ == "__main__":
         "origin" : socket.gethostname(),
     }
 
-    message = message = 'Subject: Monitoring Challenge\n\n{}dd'.format(json.dumps(challenge))
+    message = message = 'Subject: Monitoring Challenge\n\n{}'.format(json.dumps(challenge))
 
     context = ssl.create_default_context()