void __construct(ClientInterface $client, string $key, array $options = array())

start() {@inheritdoc}

void handle(Mailer $mailer)

void registerPlugin(Swift_Events_EventListener $plugin) Register a plug-in

stop() {@inheritdoc}

$this __call(string $method, array $parameters) Dynamically bind parameters

$this bcc(object|array|string $address, string|null $name = null) Set the

$this replyTo(string|array $address, string|null $name = null) Add a reply

$this subject(string $subject) Set the subject of the message.

$this to(mixed $users) Set the recipients of the message.