--- a/tests/dummysmtpd.py	Tue Jan 07 14:05:51 2025 +0100
+++ b/tests/dummysmtpd.py	Thu Jan 30 13:51:02 2025 -0500
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 """dummy SMTP server for use in tests"""