Not Acceptable - block_uri_regex : /index.php/index.php/component/mailto/?tmpl=component&link=aHR0cDovL3d3dy5iaW1hZGl0LmVzL2luZGV4LnBocC9pbmRleC5waHAvc3VwZXJ2aXZlbmNpYQ%3D%3D