Allow underscore in TXT records, required for dkim.

Till Brehm

2014-02-15 494da4537eebd83df409fcd0492039382d0b1124

 interface/web/admin/lib/lang/cz_language_edit.lng

@@ -7,4 +7,3 @@
$wb['btn_cancel_txt'] = 'Zpět';
?>