diff --git a/config/menu.hjson b/config/menu.hjson
index 0f1fa168..2225f274 100644
--- a/config/menu.hjson
+++ b/config/menu.hjson
@@ -2324,7 +2324,7 @@
 						ET2: {
 							argName: to
 							focus: true
-							validate: @systemMethod:validateUserNameExists
+							validate: @systemMethod:validateGeneralMailAddressedTo
 						}
 						ET3: {
 							argName: subject