private function maybe_spam( $post_data, $check = 'check', $spam = 'spam' ) {
		global $akismet_api_host, $akismet_api_port;

		// Define variables
		$query_string = $path = $response = '';

		// Populate post data
		$post_data['blog']         = get_option( 'home' );
		$post_data['blog_charset'] = get_option( 'blog_charset' );
		$post_data['blog_lang']    = get_locale();
		$post_data['referrer']     = wp_get_raw_referer();
		$post_data['user_agent']   = bbp_current_author_ua();

		// Loop through _POST args and rekey strings
		foreach ( $_POST as $key => $value ) {
			if ( is_string( $value ) ) {
				$post_data['POST_' . $key] = $value;
			}
		}

		// Keys to ignore
		$ignore = array( 'HTTP_COOKIE', 'HTTP_COOKIE2', 'PHP_AUTH_PW' );

		// Loop through _SERVER args and remove allowed keys
		foreach ( $_SERVER as $key => $value ) {

			// Key should not be ignored
			if ( ! in_array( $key, $ignore, true ) && is_string( $value ) ) {
				$post_data[ $key ] = $value;

			// Key should be ignored
			} else {
				$post_data[ $key ] = '';
			}
		}

		// Ready...
		foreach ( $post_data as $key => $data ) {
			$query_string .= $key . '=' . urlencode( wp_unslash( $data ) ) . '&';
		}

		// Aim...
		if ( 'check' === $check ) {
			$path = '/1.1/comment-check';
		} elseif ( 'submit' === $check ) {
			$path = '/1.1/submit-' . $spam;
		}

		// Fire!
		$response = ! apply_filters( 'bbp_bypass_check_for_spam', false, $post_data )
			? $this->http_post( $query_string, $akismet_api_host, $path, $akismet_api_port )
			: false;

		// Check the high-speed cam
		if ( ! empty( $response[1] ) ) {
			$post_data['bbp_akismet_result'] = $response[1];
		} else {
			$post_data['bbp_akismet_result'] = esc_html__( 'No response', 'bbpress' );
		}

		// Return the post data, with the results of the external Akismet request
		return $post_data;
	}