interface/web/mail/form/mail_user.tform.php
@@ -110,6 +110,18 @@ 'width' => '30', 'maxlength' => '255' ), 'cc' => array ( 'datatype' => 'VARCHAR', 'formtype' => 'TEXT', 'validators' => array ( 0 => array ( 'type' => 'REGEX', 'regex' => '/^(\w+[\w\.\-\+]*\w{0,}@\w+[\w.-]*\w+\.[a-z]{2,10}){0,1}$/i', 'errmsg'=> 'cc_error_isemail'), ), 'default' => '', 'value' => '', 'width' => '30', 'maxlength' => '255' ), 'maildir' => array ( 'datatype' => 'VARCHAR', 'formtype' => 'TEXT',