add_filter('wpcf7_validate', function ($result, $tags) { // 1. 检查 referer（来源） if (!isset($_SERVER['HTTP_REFERER']) || strpos($_SERVER['HTTP_REFERER'], $_SERVER['HTTP_HOST']) === false) { $result->invalidate('', 'Spam detected'); return $result; } // 2. 检查 user agent（很多机器人是空的） if (empty($_SERVER['HTTP_USER_AGENT'])) { $result->invalidate('', 'Spam detected'); return $result; } // 3. 屏蔽常见垃圾邮箱域名 if (isset($_POST['txtemail'])) { $email = $_POST['txtemail']; if (preg_match('/@(mail\.ru|legenmail\.com|cialis-otc\.com|bekommenmail\.com)$/i', $email)) { $result->invalidate('txtemail', 'Spam email domain blocked'); return $result; } } return $result; }, 10, 2); Project Gallery – Homey Kitchen Cabinet Design Inc

Project Gallery

[vc_row full_width=”stretch_row” css=”.vc_custom_1470228461549{padding-bottom: 60px !important;}”][vc_column][tt_portfolio item_category=”kitchen” columns=”col-xs-6 col-md-4″][/vc_column][/vc_row]

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