Ticket #3259: 3259.diff

wordcamp.org/public_html/wp-content/mu-plugins/wcorg-misc.php

@@ -135 +136 @@
  * @return string
  */
 function wcorg_grunion_unique_subject( $subject ) {
-        return sprintf( '[%s] %s', wp_generate_password( 8, false ), $subject );
+        return sprintf( '%s - %s', $subject, wp_generate_password( 8, false ) );
 }
 add_filter( 'contact_form_subject', 'wcorg_grunion_unique_subject' );