Using explicit PLAIN-MD5 hashing prefix

roles/ispmail-database/files/test.sql

@@ -12,7 +12,7 @@ REPLACE INTO `mailserver`.`virtual_users` (
       `email`
 )
 VALUES (
-      '1', '1', MD5( 'summersun' ) , 'john@example.org'
+      '1', '1', CONCAT('{PLAIN-MD5}', MD5( 'summersun' )) , 'john@example.org'
 );
 REPLACE INTO `mailserver`.`virtual_aliases` (
       `id`,