diff --git a/public/ispmail.sh b/public/ispmail.sh
index d457a6a..a8a1b8d 100755
--- a/public/ispmail.sh
+++ b/public/ispmail.sh
@@ -16,6 +16,9 @@
 # Version 0.3 / 2025-12-30
 # Add quota setup
 #
+# Version 0.4 / 2026-08-01
+# Add smtpd_sender_login_maps to allow sending as an alias address
+#
 
 usage() {
   echo "Usage: $0 -f fqdn"