d_mail = Mail::find_one($wpml_current_mail_id);
        if( !$failed_mail ) return;
        $failed_mail->set_error($wperror->get_error_message())->save();
    }

    /**
     * Logs mail to database.
     *
     * @param array $mailArray
     * @global $wpml_current_mail_id
     * @since 1.0
     * @return array $mailOriginal
     */
    public function log_email( $mailArray ) {
        global $wpml_current_mail_id;

        $mail = (new WPML_MailExtractor())->extract($mailArray);
        $mail->set_plugin_version($this->getVersionSaved());
        $mail->set_timestamp(current_time( 'mysql' ));
        $mail->set_host( isset( $_SERVER['SERVER_ADDR'] ) ? $_SERVER['SERVER_ADDR'] : '');

        $wpml_current_mail_id = $mail->save();

        return $mailArray;
    }

    public static function getClass() {
        return __CLASS__;
    }
}