TransportInterface

class \Symfony\Component\Mailer\Transport\AbstractApiTransport extends \Symfony\Component\Mailer\Transport\AbstractHttpTransport
class \Symfony\Component\Mailer\Transport\AbstractHttpTransport extends \Symfony\Component\Mailer\Transport\AbstractTransport
class \Symfony\Component\Mailer\Transport\AbstractTransport implements \Symfony\Component\Mailer\Transport\TransportInterface
class \Symfony\Component\Mailer\Transport\FailoverTransport extends \Symfony\Component\Mailer\Transport\RoundRobinTransport
class \Symfony\Component\Mailer\Transport\NullTransport extends \Symfony\Component\Mailer\Transport\AbstractTransport
class \Symfony\Component\Mailer\Transport\RoundRobinTransport implements \Symfony\Component\Mailer\Transport\TransportInterface
class \Symfony\Component\Mailer\Transport\SendmailTransport extends \Symfony\Component\Mailer\Transport\AbstractTransport
class \Symfony\Component\Mailer\Transport\Smtp\EsmtpTransport extends \Symfony\Component\Mailer\Transport\Smtp\SmtpTransport
class \Symfony\Component\Mailer\Transport\Smtp\SmtpTransport extends \Symfony\Component\Mailer\Transport\AbstractTransport
class \Symfony\Component\Mailer\Transport\Transports implements \Symfony\Component\Mailer\Transport\TransportInterface