[DrewM]

In 3.5.4 they cahnged class_dm_threadpost.php in it instaed of looking for:

PHP Code:

            $mods = explode(' ', $newpostemail); 


loke for:

PHP Code:

        $this->registry->userinfo['username'] = unhtmlspecialchars($this->info['user']['username'] ? $this->info['user']['username'] : $this->registry->userinfo['username']); 


then under add the prefix code.