Weak hands cannot be planted, meager skills have no foundation. Shallow wisdom is futile, how can one hope for a good name?扰扰从役倦，屑屑身事微。少壮轻年月，迟暮惜光辉。
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namespace WPMailSMTP;

use PHPMailer\PHPMailer\Exception;

/**
 * Class MailCatcher replaces the \PHPMailer\PHPMailer\PHPMailer introduced in WP 5.5 and
 * modifies the email sending logic. Thus, we can use other mailers API to do what we need, or stop emails completely.
 *
 * @since 2.2.0
 */
class MailCatcherV6 extends \PHPMailer\PHPMailer\PHPMailer implements MailCatcherInterface {

	use MailCatcherTrait;

	/**
	 * Callback Action function name.
	 *
	 * The function that handles the result of the send email action.
	 * It is called out by send() for each email sent.
	 *
	 * @since 2.2.0
	 *
	 * @var string
	 */
	public $action_function = '\WPMailSMTP\Processor::send_callback';

	/**
	 * Which validator to use by default when validating email addresses.
	 * We are using built-in WordPress function `is_email` to validate the email address.
	 *
	 * @see PHPMailer::validateAddress()
	 *
	 * @since 