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* * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Symfony\Component\Mailer\Transport; use Symfony\Component\Mailer\Envelope; use Symfony\Component\Mailer\Exception\TransportExceptionInterface; use Symfony\Component\Mailer\SentMessage; use Symfony\Component\Mime\RawMessage; /** * Interface for all mailer transports. * * When sending emails, you should prefer MailerInterface implementations * as they allow asynchronous sending. * * @author Fabien Potencier
*/ interface TransportInterface { /** * @throws TransportExceptionInterface */ public function send(RawMessage $message, Envelope $envelope = null): ?SentMessage; public function __toString(): string; }